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偷js 百迷挑戰賽(http://ithelp.ithome.com.tw/js-ninja/quiz2013)的0.0
自行取用~
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| { | |
| "10": { | |
| "answer": "JSON", | |
| "opt": [ | |
| "BSON", | |
| "JSON", | |
| "SON", | |
| "XML", | |
| "YAML" | |
| ], | |
| "question": "{\"name\":\"John\",\"age\":20} 這種表示法在JavaScript中稱之為?" | |
| }, | |
| "106": { | |
| "answer": "正在接收回應", | |
| "opt": [ | |
| "伺服端回應結束", | |
| "已呼叫open()", | |
| "已呼叫send()", | |
| "正在接收回應", | |
| "還沒呼叫open()" | |
| ], | |
| "question": "Ajax傳輸時，會有readyState狀態變化，請問readyState=3代表" | |
| }, | |
| "109": { | |
| "answer": "var foo; ", | |
| "opt": [ | |
| "delete foo;", | |
| "dim foo;", | |
| "@foo", | |
| "$foo;", | |
| "var foo; " | |
| ], | |
| "question": "要在函數裡宣告一個私有變數foo，要怎麼樣宣告才正確？" | |
| }, | |
| "111": { | |
| "answer": "use", | |
| "opt": [ | |
| "break", | |
| "continue", | |
| "delete", | |
| "new", | |
| "typeof", | |
| "use", | |
| "void" | |
| ], | |
| "question": "下面哪一個不是JavaScript的保留關鍵字？" | |
| }, | |
| "116": { | |
| "answer": "function invocation pattern", | |
| "opt": [ | |
| "apply invocation pattern", | |
| "construction invocation pattern", | |
| "function invocation pattern", | |
| "method invocation pattern" | |
| ], | |
| "question": "下列哪一種函式呼叫方式，this會和全域變數結合，而被視為是JavaScript程式設計上的錯誤？" | |
| }, | |
| "121": { | |
| "answer": "srcElement", | |
| "opt": [ | |
| "Event bubbling", | |
| "Event capture", | |
| "EventTarget ", | |
| "srcElement" | |
| ], | |
| "question": "下列哪一個不包括在W3C的事件流程中？" | |
| }, | |
| "127": { | |
| "answer": "<script>", | |
| "opt": [ | |
| "<code>", | |
| "<??>", | |
| "<language>", | |
| "<pre>", | |
| "<script>", | |
| "<scripting>" | |
| ], | |
| "question": "要在HTML使用JavaScript必須使用哪一個標籤" | |
| }, | |
| "129": { | |
| "answer": "document.write(\"Hello World\")", | |
| "opt": [ | |
| "document.write(\\\"Hello World\\\")", | |
| "echo \\\"Hello World\\\"", | |
| "print \\\"Hello World\\\"", | |
| "puts \\\"Hello World\\\"", | |
| "response.write(\\\"Hello World\\\")" | |
| ], | |
| "question": "下面哪一個是JavaScript的Hello World正確寫法？" | |
| }, | |
| "131": { | |
| "answer": " if (foo == 'ijs-ninja')", | |
| "opt": [ | |
| "f foo = 'ijs-ninja' then", | |
| " if (foo == 'ijs-ninja')", | |
| "if (foo = 'ijs-ninja')", | |
| "if foo == 'ijs-ninja'", | |
| "if foo == 'ijs-ninja' then" | |
| ], | |
| "question": "下面哪一個是JavaScript條件式的正確語法？" | |
| }, | |
| "136": { | |
| "answer": "for (var i=0; i< total; i++)", | |
| "opt": [ | |
| "for (i=0,i>total)", | |
| "for i = 0 to total", | |
| "for (var i=0, i< total, i+)", | |
| "for (var i=0; i< total; i++)" | |
| ], | |
| "question": "下面哪一個是屬於JavaScript的迴圈表達示" | |
| }, | |
| "145": { | |
| "answer": "Math.ceil(8.5)", | |
| "opt": [ | |
| "Math.ceil(8.5)", | |
| "Math.cos(8.5)", | |
| "Math.exp(8.5)", | |
| "Math.floor(8.5)", | |
| "Math.min(8.5)", | |
| "Math.radom(8.5)" | |
| ], | |
| "question": "要將8.5進位為整數9，要用哪一個語法？" | |
| }, | |
| "148": { | |
| "answer": "location.href = 'http://ithelp.ithome.com.tw'", | |
| "opt": [ | |
| "location.hash = 'http://ithelp.ithome.com.tw'", | |
| "location.href = 'http://ithelp.ithome.com.tw'", | |
| "location.port = 'http://ithelp.ithome.com.tw'", | |
| "location.search = 'http://ithelp.ithome.com.tw'", | |
| "location.url = 'http://ithelp.ithome.com.tw'" | |
| ], | |
| "question": "下列哪一個語法會幫你成功轉址到iT邦幫忙？" | |
| }, | |
| "149": { | |
| "answer": "false", | |
| "opt": [ | |
| "false", | |
| "null", | |
| "true", | |
| "undefined" | |
| ], | |
| "question": "var num1 = \"9\", num2 = \"10\"; 請問num2 > num1的結果是?" | |
| }, | |
| "150": { | |
| "answer": "help", | |
| "opt": [ | |
| "help", | |
| "ithe", | |
| "ithelp", | |
| "thel", | |
| "thelp." | |
| ], | |
| "question": "var site = \"ithelp.ithome.com.tw\";請問site.substring(2, 6)的結果是？" | |
| }, | |
| "154": { | |
| "answer": "”string", | |
| "opt": [ | |
| "\\\"array\\\"", | |
| "\\\"date\\\"", | |
| "\\\"number\\\"", | |
| "\\\"object\\\"", | |
| "”string\\\"" | |
| ], | |
| "question": "請問typeof 'JSDC'的結果是？" | |
| }, | |
| "155": { | |
| "answer": "”object”", | |
| "opt": [ | |
| "\\\"arguments\\\"", | |
| "\\\"array\\\"", | |
| "null", | |
| "”object”", | |
| "\\\"string\\\"", | |
| "undefined" | |
| ], | |
| "question": "(function(){ return typeof arguments;})()的回傳值是" | |
| }, | |
| "156": { | |
| "answer": "”function", | |
| "opt": [ | |
| "\\\"array\\\"", | |
| "”function\\\"", | |
| "null", | |
| "\\\"object\\\"", | |
| "\\\"string\\\"" | |
| ], | |
| "question": "a = function(){}; typeof a的結果是?" | |
| }, | |
| "161": { | |
| "answer": "obejct", | |
| "opt": [ | |
| "\\\"array\\\"", | |
| "\\\"function\\\"", | |
| "null", | |
| "\\\"obejct\\\"", | |
| "\\\"string\\\"", | |
| "undefined" | |
| ], | |
| "question": "a = function(){}; b = new a(); typeof b的結果是?" | |
| }, | |
| "17": { | |
| "answer": "IE", | |
| "opt": [ | |
| "Chrome", | |
| "Firefox", | |
| "IE", | |
| "Safari" | |
| ], | |
| "question": "attachEvent是哪一個瀏覽器的註冊事件監聽方法?" | |
| }, | |
| "171": { | |
| "answer": "jsdc2013", | |
| "opt": [ | |
| "2013", | |
| "jsdc", | |
| "jsdc2013", | |
| "NaN" | |
| ], | |
| "question": "var a = 'jsdc', b = 2013; a+b的結果是？" | |
| }, | |
| "172": { | |
| "answer": "NaN", | |
| "opt": [ | |
| "2013", | |
| "jsdc", | |
| "jsdc2013", | |
| "NaN" | |
| ], | |
| "question": "var a = Number('jsdc'), b = 2013; a+b 的結果是？" | |
| }, | |
| "176": { | |
| "answer": "5", | |
| "opt": [ | |
| "5", | |
| "false", | |
| "null", | |
| "true", | |
| "undefined" | |
| ], | |
| "question": "var a = 5; b = function(){ return a}; b()的執行結果是？" | |
| }, | |
| "181": { | |
| "answer": "4", | |
| "opt": [ | |
| "4", | |
| "5", | |
| "undefined", | |
| "unll" | |
| ], | |
| "question": "var a = 5; var b = function(){ var a = 4; return a}; b()的結果是？" | |
| }, | |
| "186": { | |
| "answer": "undefined", | |
| "opt": [ | |
| "5", | |
| "false", | |
| "null", | |
| "true", | |
| "undefined" | |
| ], | |
| "question": "var a = 5; var b = function(){ var a; return a}; b()的執行結果是?" | |
| }, | |
| "187": { | |
| "answer": "true", | |
| "opt": [ | |
| "false", | |
| "NaN", | |
| "true", | |
| "undefined" | |
| ], | |
| "question": "請問 'js-ninja'.length > 7 的比較結果是？" | |
| }, | |
| "19": { | |
| "answer": "jQuery", | |
| "opt": [ | |
| "Backbone", | |
| "ExtJS", | |
| "jQuery", | |
| "mooTools", | |
| "YUI" | |
| ], | |
| "question": "「$」是哪一個JavaScript框架的全域物件縮寫?" | |
| }, | |
| "190": { | |
| "answer": "false", | |
| "opt": [ | |
| "1", | |
| "false", | |
| "NaN", | |
| "true", | |
| "undefined" | |
| ], | |
| "question": "請問 'js-ninja' > 7的結果是？" | |
| }, | |
| "193": { | |
| "answer": "jsdc", | |
| "opt": [ | |
| "\\\"\\\"", | |
| "foo", | |
| "jsdc", | |
| "null", | |
| "undefined" | |
| ], | |
| "question": "function() { if(true) var foo = 'jsdc'; console.log(foo)} 請問foo的值是？" | |
| }, | |
| "199": { | |
| "answer": "ithelp", | |
| "opt": [ | |
| "bar", | |
| "foo", | |
| "ithelp", | |
| "jsdc", | |
| "null", | |
| "site", | |
| "undefined" | |
| ], | |
| "question": "var site = 'jsdc'; function foo() { site = 'ithelp' }; function bar() {console.log(site) }; foo(); bar();結果是？" | |
| }, | |
| "208": { | |
| "answer": "string", | |
| "opt": [ | |
| "array", | |
| "date", | |
| "number", | |
| "object", | |
| "string" | |
| ], | |
| "question": "請問typeof (new Date() + new Date()) 的結果是?" | |
| }, | |
| "209": { | |
| "answer": "123", | |
| "opt": [ | |
| "123", | |
| "15", | |
| "33", | |
| "5", | |
| "6" | |
| ], | |
| "question": "請問'1' + 2 + 3 的結果是？" | |
| }, | |
| "211": { | |
| "answer": "51", | |
| "opt": [ | |
| "321", | |
| "33", | |
| "51", | |
| "6" | |
| ], | |
| "question": "請問 3 + 2 + '1'的結果是？" | |
| }, | |
| "213": { | |
| "answer": "int('123')", | |
| "opt": [ | |
| "int('123')", | |
| "Number('123')", | |
| "parseFloat('123')", | |
| "parseInt('123')" | |
| ], | |
| "question": "在JavaScript中，下列哪一個不能將字串轉成數字？" | |
| }, | |
| "215": { | |
| "answer": "為0", | |
| "opt": [ | |
| "\\\"\\\"", | |
| "array", | |
| "NaN", | |
| "object", | |
| "為0" | |
| ], | |
| "question": "{} + [] 的結果是？" | |
| }, | |
| "223": { | |
| "answer": "NaN", | |
| "opt": [ | |
| "\\\"\\\"", | |
| "NaN", | |
| "object", | |
| "undefined" | |
| ], | |
| "question": "{} + {}的結果是？" | |
| }, | |
| "225": { | |
| "answer": "for/in", | |
| "opt": [ | |
| "for", | |
| "for/in", | |
| "has", | |
| "loop", | |
| "switch" | |
| ], | |
| "question": "想要知道物件裡有哪些屬性，可以用下面哪一種作法？" | |
| }, | |
| "233": { | |
| "answer": "false", | |
| "opt": [ | |
| "false", | |
| "NaN", | |
| "object", | |
| "true" | |
| ], | |
| "question": "foo = new Date(); foo.constructor == Object的結果是？" | |
| }, | |
| "235": { | |
| "answer": "將JavaScript的載入儘量放置在頁面底部", | |
| "opt": [ | |
| "使用沒有壓縮過的JavaScript程式", | |
| "將JavaScript全部寫在頁面中", | |
| "將JavaScript的載入儘量放置在頁面底部", | |
| "將JavaScript的載入放在Header區塊" | |
| ], | |
| "question": "下列哪一個作法，通常有助於前端頁面的效能" | |
| }, | |
| "236": { | |
| "answer": "能在伺服器端使用JavaScript開發網站或應用程式", | |
| "opt": [ | |
| "JavaScript的自動化任務執行工具", | |
| "一套JavaScript的UI框架", | |
| "可以將JavaScript壓縮以提升效能的工具", | |
| "能在伺服器端使用JavaScript開發網站或應用程式", | |
| "行為驅動開發的JavaScript框架" | |
| ], | |
| "question": "請問Node.js是？" | |
| }, | |
| "238": { | |
| "answer": "使用JS框架", | |
| "opt": [ | |
| "使用eval", | |
| "使用JS框架", | |
| "使用with", | |
| "句尾沒有使用分號", | |
| "大括號的配對錯誤", | |
| "未定義的變數" | |
| ], | |
| "question": "哪一個是JSLint不會檢查的項目？" | |
| }, | |
| "241": { | |
| "answer": "不要撰寫注釋，以減少程式碼體積", | |
| "opt": [ | |
| "上線前將JavaScript壓縮以提升效能", | |
| "不要撰寫注釋，以減少程式碼體積", | |
| "避免使用eval", | |
| "避免使用全域變數", | |
| "開發時使用JSLint之類的工具檢測語法" | |
| ], | |
| "question": "下列何者不是開發JavaScript的好作法？" | |
| }, | |
| "25": { | |
| "answer": "closure", | |
| "opt": [ | |
| "closure", | |
| "Curry", | |
| "Lambda", | |
| "Module" | |
| ], | |
| "question": "巢狀函式裡，內部函式可以存取外部函式的變數，這稱之為?" | |
| }, | |
| "251": { | |
| "answer": "\" + 1", | |
| "opt": [ | |
| "\\\"\\\" + 1", | |
| "(1).toString()", | |
| "new String(1)", | |
| "parseString(1)", | |
| "String(1)" | |
| ], | |
| "question": "將數字轉成字串，哪一個效能最好？" | |
| }, | |
| "253": { | |
| "answer": "beautify.js", | |
| "opt": [ | |
| "beautify.js", | |
| "Jasmine", | |
| "JsTestDriver", | |
| "JsUnit", | |
| "Qunit" | |
| ], | |
| "question": "如果想幫JavaScript作測試，哪一個工具沒有幫助？" | |
| }, | |
| "262": { | |
| "answer": "jquery-migrate", | |
| "opt": [ | |
| "jquery-migrate", | |
| "jquery UI", | |
| "jquery-update", | |
| "jquery-upgrade", | |
| "JSLint", | |
| "Qunit" | |
| ], | |
| "question": "為了讓jQuery 1.9之前部份API可以保持相容，可以使用哪個工具？" | |
| }, | |
| "265": { | |
| "answer": "jQuery.browser()", | |
| "opt": [ | |
| "jQuery.add()", | |
| "jQuery.append()", | |
| "jQuery.browser()", | |
| "jQuery.delay()", | |
| "jQuery.noConflict()" | |
| ], | |
| "question": "下列哪個API在jQuery 1.9中已經被移除？" | |
| }, | |
| "267": { | |
| "answer": "函數中可使用預設參數", | |
| "opt": [ | |
| "Array.isArray", | |
| "Object.create", | |
| "Object.defineProperty", | |
| "Object.keys", | |
| "函數中可使用預設參數", | |
| "增加嚴格模式" | |
| ], | |
| "question": "下列哪一個不是ECMAScript 5的特色？" | |
| }, | |
| "27": { | |
| "answer": "同源法則", | |
| "opt": [ | |
| "匿名法則", | |
| "同源法則", | |
| "安全法則", | |
| "相容性法則" | |
| ], | |
| "question": "JavaScript不能直接跨網域存取資料，這稱之為？" | |
| }, | |
| "273": { | |
| "answer": "使用eval將JSON字串轉成物件", | |
| "opt": [ | |
| "使用eval將JSON字串轉成物件", | |
| "使用JOSN.parse來解析JSON字串", | |
| "使用JOSNP的技術跨網站取得JOSN", | |
| "用$.getJSON來取回JOSN" | |
| ], | |
| "question": "下列哪一個行為會為使用JSON帶來風險？" | |
| }, | |
| "281": { | |
| "answer": "array.push()", | |
| "opt": [ | |
| "array.pop()", | |
| "array.push()", | |
| "array.reverse()", | |
| "array.shift()", | |
| "array.unshift()" | |
| ], | |
| "question": "想在陣列後方加入一個元素，可以使用哪一個方法？" | |
| }, | |
| "289": { | |
| "answer": "array.shift()", | |
| "opt": [ | |
| "array.concat()", | |
| "array.map()", | |
| "array.pop()", | |
| "array.push()", | |
| "array.shift()", | |
| "array.unshift()" | |
| ], | |
| "question": "如果想在陣列最前方取出元素，該用哪一個函式？" | |
| }, | |
| "29": { | |
| "answer": "Brendan Eich", | |
| "opt": [ | |
| "Brendan Eich", | |
| "Douglas Crockford", | |
| "Jeremy Ashkenas", | |
| "John Resig" | |
| ], | |
| "question": "創造JavaScript的人是？" | |
| }, | |
| "297": { | |
| "answer": "array.join()", | |
| "opt": [ | |
| "array.concat()", | |
| "array.join()", | |
| "array.lenght", | |
| "array.pop()", | |
| "array.slice()" | |
| ], | |
| "question": "下列哪一個方法可以將陣列轉成字串" | |
| }, | |
| "305": { | |
| "answer": "arguments.callee", | |
| "opt": [ | |
| "arguments.apply", | |
| "arguments.callee", | |
| "arguments.length", | |
| "arguments.self", | |
| "arguments.super" | |
| ], | |
| "question": "下列哪一個能指向正在執行的函式自身？" | |
| }, | |
| "307": { | |
| "answer": "Date.getDate()", | |
| "opt": [ | |
| "Date.getDate()", | |
| "Date.getDay()", | |
| "Date.getdays()", | |
| "Date.getMonth()", | |
| "Date.week()" | |
| ], | |
| "question": "想要知道今天是一個月中的哪一天，要使用哪個函式？" | |
| }, | |
| "311": { | |
| "answer": "Date.getFullYear()", | |
| "opt": [ | |
| "Date.getFullYear()", | |
| "Date.getLongYear()", | |
| "Date.getTime()", | |
| "Date.getWholeYear()", | |
| "Date.getYear()" | |
| ], | |
| "question": "想要取得四位數的年份，要使用哪一個函式？" | |
| }, | |
| "313": { | |
| "answer": "Function.length", | |
| "opt": [ | |
| "Function.argLength", | |
| "Function.arguments", | |
| "Function.call", | |
| "Function.length", | |
| "Function.size" | |
| ], | |
| "question": "想要知道函數定義時的參數數量，可以用哪一種方法？" | |
| }, | |
| "316": { | |
| "answer": "arguments.length", | |
| "opt": [ | |
| "arguments.length", | |
| "arugments.size", | |
| "function.length", | |
| "Function.size" | |
| ], | |
| "question": "想要知道實際傳入陣列中的參數數量，可以用哪一個方法？" | |
| }, | |
| "317": { | |
| "answer": "７", | |
| "opt": [ | |
| "７", | |
| "0.4", | |
| "6", | |
| "8", | |
| "9", | |
| "隨機數字" | |
| ], | |
| "question": "Math.round(7.4)的結果是？" | |
| }, | |
| "319": { | |
| "answer": "NaN == NaN結果是相等", | |
| "opt": [ | |
| "NaN == NaN結果是相等", | |
| "NaN是全域屬性", | |
| "必須使用 isNaN()才能檢測是否為NaN", | |
| "用delete運算子不能刪除它", | |
| "用for/in無法列舉出NaN屬性" | |
| ], | |
| "question": "下面哪一個對NaN的描述是錯誤的？" | |
| }, | |
| "321": { | |
| "answer": "hasOwnProperty()", | |
| "opt": [ | |
| "hasOwnProperty()", | |
| "hasProerty()", | |
| "isPrototypeOf()", | |
| "propertyIsEmunerable()", | |
| "toLocaleString()", | |
| "valueof()" | |
| ], | |
| "question": "要檢查物件自己是否擁有某個屬性，可以用哪一個方法？" | |
| }, | |
| "326": { | |
| "answer": "RegExp.search()", | |
| "opt": [ | |
| "RegExp.exec()", | |
| "RegExp.search()", | |
| "RegExp.test()", | |
| "RegExp.toString()" | |
| ], | |
| "question": "下面哪一個不是RegExp的method ?" | |
| }, | |
| "328": { | |
| "answer": "String.new('1234')", | |
| "opt": [ | |
| "'1234'", | |
| "new String('1234')", | |
| "String('1234')", | |
| "String.new('1234')" | |
| ], | |
| "question": "下列哪一種方式無法建立字串？" | |
| }, | |
| "331": { | |
| "answer": "c", | |
| "opt": [ | |
| "１", | |
| "2", | |
| "c", | |
| "d", | |
| "j", | |
| "s" | |
| ], | |
| "question": "jsdc2013\".charAt(3)執行結果，回傳的是?" | |
| }, | |
| "341": { | |
| "answer": "JavaScript的字串可以透過method修改原本的內容", | |
| "opt": [ | |
| "JavaScript的字串可以透過method修改原本的內容", | |
| "match()可以找出一個或多個符合模式的結果", | |
| "具有length屬性，可以取得字元數", | |
| "可以透過substr()截取一個子字串", | |
| "是一種基本的資料型態" | |
| ], | |
| "question": "下列哪一個對JavaScript的字串描述是錯誤的？" | |
| }, | |
| "343": { | |
| "answer": "回傳值是s", | |
| "opt": [ | |
| "回傳值是115", | |
| "回傳值是16位元的整數", | |
| "回傳值是s", | |
| "回傳值是字元的Unicode編碼值" | |
| ], | |
| "question": "jsdc\".charCodeAt(1)執行結果，何者是錯的?" | |
| }, | |
| "349": { | |
| "answer": "””", | |
| "opt": [ | |
| "””", | |
| "1", | |
| "2", | |
| "3", | |
| "NaN" | |
| ], | |
| "question": "jsdc2013\".charAt(8)的回傳值是？" | |
| }, | |
| "355": { | |
| "answer": "NaN", | |
| "opt": [ | |
| "\\\"\\\"", | |
| "1", | |
| "3", | |
| "NaN", | |
| "null", | |
| "undefined" | |
| ], | |
| "question": "jsdc2013\".charCodeAt(8)的回傳值是？" | |
| }, | |
| "356": { | |
| "answer": "'jsdc'", | |
| "opt": [ | |
| "'2013'", | |
| "'2013jsdc'", | |
| "'jsdc'", | |
| "'jsdc2013'", | |
| "['jsdc','2013']" | |
| ], | |
| "question": "foo = 'jsdc'; bar = foo.concat('2013');請問現在foo的值是？" | |
| }, | |
| "361": { | |
| "answer": "-1", | |
| "opt": [ | |
| "-1", | |
| "1", | |
| "3", | |
| "4", | |
| "為０" | |
| ], | |
| "question": "jsdc2013'.indexOf('2012')的執行結果是？" | |
| }, | |
| "364": { | |
| "answer": "回傳值是符合匹配的字串", | |
| "opt": [ | |
| "參數使用旗標g將進行全域搜尋", | |
| "回傳值是符合匹配的字串", | |
| "回傳值是陣列", | |
| "如果沒有找到相符的字串，將會回傳null", | |
| "陣列中第一個元素存放的是相符文字" | |
| ], | |
| "question": "下列對String.match()的描述哪一個是錯的？" | |
| }, | |
| "365": { | |
| "answer": "位於相符字串左側的文字", | |
| "opt": [ | |
| "位於相符字串右側的文字", | |
| "位於相符字串左側的文字", | |
| "實字$符號", | |
| "與匹配文字相等的子字串" | |
| ], | |
| "question": "jsdc2013\".replace(\"2013\",\"$`\")當中，$`代表的意義是？" | |
| }, | |
| "367": { | |
| "answer": "使用旗標g可進行全域搜尋", | |
| "opt": [ | |
| "使用旗標g可進行全域搜尋", | |
| "找到相符的字串會回傳開始的位置", | |
| "沒有找到任何相符的字串會回傳-1", | |
| "相符字串位置的計算是從0開始", | |
| "總是回傳第一個相符的字串" | |
| ], | |
| "question": "下列哪一個對String.search()的描述是錯誤的？" | |
| }, | |
| "369": { | |
| "answer": "JSDC2013\".slice(-4,8)", | |
| "opt": [ | |
| "\\\"JSDC2013\\\".slice(4,7)", | |
| "\\\"JSDC2013\\\".slice(-4,8)", | |
| "\\\"JSDC2013\\\".slice(-5,7)", | |
| "\\\"JSDC2013\\\".slice(5,8)" | |
| ], | |
| "question": "下列哪一個方法可以得到\"2013”這個字串？" | |
| }, | |
| "37": { | |
| "answer": "ECMA-262", | |
| "opt": [ | |
| "ECMA-262", | |
| "ECMA-334", | |
| "ECMA-335", | |
| "ECMA-341", | |
| "ECMA-367" | |
| ], | |
| "question": "JavaScript所採用的標準規格是？" | |
| }, | |
| "371": { | |
| "answer": "[\"js\", \"ninja\"]", | |
| "opt": [ | |
| "\\\"js\\\"", | |
| "”js--ninja”", | |
| "”jsninja”", | |
| "[\\\"js\\\", \\\"ninja\\\"]", | |
| "\\\"ninja\\\"" | |
| ], | |
| "question": "js-ninja\".split(\"-\")的結果是？" | |
| }, | |
| "379": { | |
| "answer": "JSDC2013\".substr(4,4)", | |
| "opt": [ | |
| "\\\"JSDC2013\\\".substr(0,8)", | |
| "\\\"JSDC2013\\\".substr(4,4)", | |
| "\\\"JSDC2013\\\".substr(5,4)", | |
| "\\\"JSDC2013\\\".substr(-5,8)", | |
| "\\\"JSDC2013\\\".substr(5,8)" | |
| ], | |
| "question": "JSDC2013\".substr(-4,4)的結果和下面哪一個是一樣的？" | |
| }, | |
| "381": { | |
| "answer": "是client端的JavaScript開發環境", | |
| "opt": [ | |
| "使用npm來管理套件", | |
| "使用的核心引擎是V8", | |
| "可以在windows/linux/mac等跨平臺使用", | |
| "是client端的JavaScript開發環境", | |
| "與生具有non blocking的特性" | |
| ], | |
| "question": "下列何者對於node.js的描述是錯誤的？" | |
| }, | |
| "388": { | |
| "answer": "取消與事件關聯的預設動作", | |
| "opt": [ | |
| "停止ajax的作用", | |
| "停止event繼續傳播", | |
| "取消與事件關聯的預設動作", | |
| "攔截預設的錯誤", | |
| "開啟新的頁面" | |
| ], | |
| "question": "event.preventDefault() 的作用是？" | |
| }, | |
| "391": { | |
| "answer": "取消事件的預設動作", | |
| "opt": [ | |
| "停止事件的傳播", | |
| "取消事件的預設動作", | |
| "可以阻止把事件分派到其他結點", | |
| "在事件傳播的任何階段都能呼叫它" | |
| ], | |
| "question": "關於event.stopPropagation()的描述，何者是錯的？" | |
| }, | |
| "393": { | |
| "answer": "jQuery開發社群", | |
| "opt": [ | |
| "HTML5 & CSS3 社群", | |
| "JavaScript.tw 社群", | |
| "jQuery開發社群", | |
| "Node.js 社群" | |
| ], | |
| "question": "JSDC的發起開發社群不包含下列哪一個？" | |
| }, | |
| "395": { | |
| "answer": "5/18-5/19", | |
| "opt": [ | |
| "4/18-4/19", | |
| "4/19-4/20", | |
| "5/18-5/19", | |
| "6/18-6/19" | |
| ], | |
| "question": "今年JSDC的舉辦日期是？" | |
| }, | |
| "397": { | |
| "answer": "Ryan Dahl", | |
| "opt": [ | |
| "Brendan Eich", | |
| "Douglas Crockford", | |
| "John Resig", | |
| "Paul Irish", | |
| "Ryan Dahl" | |
| ], | |
| "question": "Node.js的創造者是？" | |
| }, | |
| "401": { | |
| "answer": "John Resig", | |
| "opt": [ | |
| "Brendan Eich", | |
| "Douglas Crockford", | |
| "Jeremy Ashkenas", | |
| "John Resig", | |
| "Ryan Dahl" | |
| ], | |
| "question": "jQuery的創造者是？" | |
| }, | |
| "411": { | |
| "answer": "Jeremy Ashkenas", | |
| "opt": [ | |
| "Brendan Eich", | |
| "Douglas Crockford", | |
| "Jeremy Ashkenas", | |
| "John Resig", | |
| "Ryan Dahl" | |
| ], | |
| "question": "coffee script的創造者是？" | |
| }, | |
| "415": { | |
| "answer": "TypeScript", | |
| "opt": [ | |
| "Backbone.js", | |
| "CoffeeScript", | |
| "TypeScript", | |
| "Underscore.js " | |
| ], | |
| "question": "下列哪個專案不是由Jeremy Ashkenas所開發？" | |
| }, | |
| "418": { | |
| "answer": "Douglas Crockford", | |
| "opt": [ | |
| "Brendan Eich", | |
| "Douglas Crockford", | |
| "John Resig", | |
| "Ryan Dahl", | |
| "TJ Holowaychuk" | |
| ], | |
| "question": "JSON是由誰發想出來的？" | |
| }, | |
| "425": { | |
| "answer": "angular.js", | |
| "opt": [ | |
| "angular.js", | |
| "express.js", | |
| "jade.js", | |
| "mocha" | |
| ], | |
| "question": "下列哪個專案和TJ Holowaychuk沒有關係？" | |
| }, | |
| "426": { | |
| "answer": "沒有支援class", | |
| "opt": [ | |
| "可直接和既有的JavaScript相容", | |
| "是由微軟所開發", | |
| "是開放原始碼專案", | |
| "沒有支援class", | |
| "需要編譯才能使用" | |
| ], | |
| "question": "下面哪一個對TypeScript的描述是錯的？" | |
| }, | |
| "431": { | |
| "answer": "jsfiddle.net", | |
| "opt": [ | |
| "jsfiddle.net", | |
| "jslint.com", | |
| "json.org", | |
| "npmjs.org" | |
| ], | |
| "question": "想在線上展示一段JS運作的結果，哪個網站可以做到？" | |
| }, | |
| "442": { | |
| "answer": "檢測JS語法問題與風險，提供較佳的品質", | |
| "opt": [ | |
| "JavaScript單元測試框架", | |
| "壓縮程式碼", | |
| "提供JS專案的模組化機制", | |
| "提供視覺化的模組", | |
| "檢測JS語法問題與風險，提供較佳的品質" | |
| ], | |
| "question": "JSLint的功能是？" | |
| }, | |
| "451": { | |
| "answer": "Jasmine.js", | |
| "opt": [ | |
| "AngularJS", | |
| "Backbone", | |
| "ember.js", | |
| "Jasmine.js", | |
| "Javascript MVC", | |
| "Knockout.js" | |
| ], | |
| "question": "下列何者與其他專案在性質上不一樣？" | |
| }, | |
| "456": { | |
| "answer": "yeoman", | |
| "opt": [ | |
| "Jasmine", | |
| "JsUnit", | |
| "Qunit", | |
| "yeoman", | |
| "YUI Test" | |
| ], | |
| "question": "下面哪一個專案的性質和其他不同？" | |
| }, | |
| "457": { | |
| "answer": "只能在Server端使用", | |
| "opt": [ | |
| "使用npm來安裝", | |
| "只能在Server端使用", | |
| "提供良好的套件相依管理", | |
| "由twitter所推出" | |
| ], | |
| "question": "下列哪個對Bower的描述不正確？" | |
| }, | |
| "46": { | |
| "answer": "1995", | |
| "opt": [ | |
| "1995", | |
| "1998", | |
| "1999", | |
| "2000" | |
| ], | |
| "question": "JavaScript誕生於哪一年？" | |
| }, | |
| "463": { | |
| "answer": "Backbone.js", | |
| "opt": [ | |
| "Angular.js", | |
| "Backbone.js", | |
| "Batman.js", | |
| "Ember.js", | |
| "Knockout.js" | |
| ], | |
| "question": "下列哪個MVC框架沒有做到UI data binding" | |
| }, | |
| "470": { | |
| "answer": "delete foor.bar", | |
| "opt": [ | |
| "clear foo.bar", | |
| "delete foor.bar", | |
| "empty foot.bar", | |
| "kill foo.bar", | |
| "remove foo.bar", | |
| "set foo.bar" | |
| ], | |
| "question": "要移除foo物件的bar屬性，應該怎麼做?" | |
| }, | |
| "471": { | |
| "answer": "宣告變數使用 var i=3", | |
| "opt": [ | |
| "使用with語法", | |
| "在eval中引用新變數", | |
| "存取arguments.callee", | |
| "宣告變數使用 i = 3", | |
| "宣告變數使用 var i=3" | |
| ], | |
| "question": "下列哪一個語法在使用ECMAScript 5的\"use strict\"不會出錯？" | |
| }, | |
| "472": { | |
| "answer": "IE 8", | |
| "opt": [ | |
| "Chrome 10", | |
| "Firefox 3.6", | |
| "IE 8", | |
| "Safiri 5.1" | |
| ], | |
| "question": "下列哪一個瀏覽器對ECMAScript 5的支援性最差？" | |
| }, | |
| "49": { | |
| "answer": "prototype", | |
| "opt": [ | |
| "class", | |
| "mix-in ", | |
| "mudule", | |
| "prototype" | |
| ], | |
| "question": "JavaScript是透過什麼樣的原生機制來實現繼承?" | |
| }, | |
| "50": { | |
| "answer": "{age:20}", | |
| "opt": [ | |
| "0xFF", | |
| "200", | |
| "{age:20}", | |
| "false", | |
| "\\\"John\\\"", | |
| "true" | |
| ], | |
| "question": "下面哪一個不屬於JavaScript的基本資料型態?" | |
| }, | |
| "51": { | |
| "answer": "false", | |
| "opt": [ | |
| "error", | |
| "false", | |
| "\\\"NaN\\\"", | |
| "true" | |
| ], | |
| "question": "(NaN == NaN)的結果是？" | |
| }, | |
| "55": { | |
| "answer": "32", | |
| "opt": [ | |
| "1", | |
| "\\\"32\\\"", | |
| "32", | |
| "\\\"5\\\"", | |
| "5" | |
| ], | |
| "question": "在JS中，('3' - '2')是1，那麼(\"3\"+\"2\")是多少？" | |
| }, | |
| "6": { | |
| "answer": "object", | |
| "opt": [ | |
| "\\\"array\\\"", | |
| "\\\"function\\\"", | |
| "\\\"number\\\"", | |
| "\\\"object\\\"" | |
| ], | |
| "question": "typeof [1,2,3] 的結果是?" | |
| }, | |
| "61": { | |
| "answer": "”cool”", | |
| "opt": [ | |
| "”cool”", | |
| "\\\"not cool\\\"", | |
| "null", | |
| "undefined" | |
| ], | |
| "question": "var foo = true; var bar = (foo) ? \"cool\" : \"not cool\";bar的結果是?" | |
| }, | |
| "62": { | |
| "answer": "false", | |
| "opt": [ | |
| "false", | |
| "null", | |
| "true", | |
| "undefined" | |
| ], | |
| "question": "(1===\"1\")的結果是？" | |
| }, | |
| "71": { | |
| "answer": "3", | |
| "opt": [ | |
| "1", | |
| "2", | |
| "3", | |
| "4", | |
| "5" | |
| ], | |
| "question": "foo = function(){console.log(arguments.length)}; foo(\"bar\",1,[\"100\",\"200\"]);請問結果是？" | |
| }, | |
| "8": { | |
| "answer": "true", | |
| "opt": [ | |
| "0", | |
| "error", | |
| "false", | |
| "true" | |
| ], | |
| "question": "(null == undefined)的結果是?" | |
| }, | |
| "81": { | |
| "answer": "foot = {};", | |
| "opt": [ | |
| "foo = [];", | |
| "foo = \\\"\\\";", | |
| "foo = function(){};", | |
| "};" | |
| ], | |
| "question": "下列何者為JavaScript物件實字的表示法？" | |
| }, | |
| "85": { | |
| "answer": "function是第一級的物件", | |
| "opt": [ | |
| "function是第一級的物件", | |
| "用Class來建立物件", | |
| "縮進排版具有意義", | |
| "需要編譯成中介碼" | |
| ], | |
| "question": "下列哪一個是JavaScript的特色？" | |
| }, | |
| "91": { | |
| "answer": "foo = Array.new()", | |
| "opt": [ | |
| "foo = [];", | |
| "foo = Array.new()", | |
| "foo = new Array()", | |
| "foo = new Array(10)" | |
| ], | |
| "question": "下列哪一個不是JavaScript建立陣例的方法" | |
| }, | |
| "92": { | |
| "answer": "2", | |
| "opt": [ | |
| "1", | |
| "2", | |
| "3", | |
| "4", | |
| "5" | |
| ], | |
| "question": "foo = [1,2,3,4,5],請問 foo[1]是？" | |
| }, | |
| "93": { | |
| "answer": "crossdomain.xml", | |
| "opt": [ | |
| "crossdomain.xml", | |
| "JSONP", | |
| "用script src", | |
| "用後端程式作proxy機制" | |
| ], | |
| "question": "如果JavaScript要做跨站存取資料，下面哪種技術沒辦法辦到？" | |
| }, | |
| "97": { | |
| "answer": "Ajax", | |
| "opt": [ | |
| "Ajax", | |
| "Closure", | |
| "Curry", | |
| "JSONP", | |
| "Mudule" | |
| ], | |
| "question": "JavaScript非同步傳輸的技術通常稱之為?" | |
| }, | |
| "99": { | |
| "answer": "原生具備private成員", | |
| "opt": [ | |
| "原生具備private成員", | |
| "可同時用點運算子或是索引名稱來存取屬性值", | |
| "可用new關鍵字來新增一個物件", | |
| "組成物件Name/Value的Name必須是字串" | |
| ], | |
| "question": "下面哪一個對JavaScript物件特性描述是錯誤的？" | |
| } | |
| } |
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