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| function isObject(obj) { | |
| var type = typeof obj; | |
| return (type === 'function' || type === 'object') && !!obj; // this will handle obj , null and undefined | |
| }; | |
| function deepClone(src) { | |
| let target = {}; | |
| let keys = Object.keys(src); | |
| for (let i = 0, len = keys.length; i < len; i++ ) { | |
| let key = keys[i]; |
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| console.delayLog = function(time, message) { | |
| var style = | |
| "color: rgb(249, 162, 34);" + | |
| "font-size: 60px;" + | |
| "font-weight: bold;" + | |
| "text-shadow: 1px 1px 5px rgb(249, 162, 34);" + | |
| "filter: dropshadow(color=rgb(249, 162, 34), offx=1, offy=1);"; | |
| setTimeout(function() { | |
| console.log(message, style); | |
| }, delay); |
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| function getTransitionEndEventName() { | |
| var transitions = { | |
| "transition" : "transitionend", | |
| "OTransition" : "oTransitionEnd", | |
| "MozTransition" : "transitionend", | |
| "WebkitTransition": "webkitTransitionEnd" | |
| } | |
| let bodyStyle = document.body.style; | |
| for(let transition in transitions) { | |
| if(bodyStyle[transition] != undefined) { |
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| function rand(min, max) { | |
| let randomNum = Math.random() * (max - min) + min; | |
| return Math.round(randomNum); | |
| } | |
| var generateColor = function () { | |
| // hex numbers | |
| var hex = ['a', 'b', 'c', 'd', 'e', 'f', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9']; | |
| var color = '#'; |
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| var names = ["ram", "raj"]; | |
| var result = names.reduce( (acc, name) => { | |
| let obj = { | |
| name, | |
| len : name.length | |
| } | |
| acc.push(obj); | |
| return acc; |
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| var users = [{"user": "👩🏻💻"},{"user": "👨🏾💻"},{"user": "💃"},{"user": "👨🏻🎓"},{"user": "🧑🏻🏫"},{"user": "🦸♂️"},{"user": "🧟♂️"}]; | |
| let resultDetails = users.map(user => { | |
| let mark = Math.random() * 100; | |
| user.mark = mark; | |
| return user | |
| }); | |
| //for me resultDetails | |
| /* | |
| 0: {user: "👩🏻💻", mark: 76.03572182106969} |
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| function search(array, searchElement) { | |
| let low = 0; | |
| let high = array.length - 1; | |
| while(low <= high) { | |
| let mid = Math.floor((low+high) /2); | |
| let middleElement = array[mid]; | |
| if(middleElement == searchElement) { | |
| return mid; | |
| } else if(middleElement > searchElement) { | |
| high = mid -1; |
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| function deepFreeze(object) { | |
| // Retrieve the property names defined on object | |
| var propNames = Object.getOwnPropertyNames(object); | |
| // Freeze properties before freezing self | |
| for (let name of propNames) { | |
| let value = object[name]; |
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| function sayHi(user) { | |
| let name = (user && user.name && user.name.toUpperCase()) || "Unknown"; | |
| console.log(`Hi Mr. ${name}`); | |
| } | |
| sayHi({}); // Hi Mr. Unknown | |
| sayHi(); // Hi Mr. Unknown |
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| let square = document.getElementById('square'); | |
| square.addEventListener('animationstart', (ev) => { | |
| console.log("Animation Startted", ev); | |
| }); | |
| square.addEventListener('animationiteration', (ev) => { | |
| console.log("animation_iteration", ev); | |
| }); | |
| square.addEventListener('animationend', (ev) => { |