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Arrays JScript
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| //1. Simple array and test | |
| // isAarray method will help you tell if it is actually an array.typeof only returns 'object' | |
| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <p>The new ECMASCRIPT 5 method isArray returns true when used on an array.</p> | |
| <p id="demo"></p> | |
| <script> | |
| var fruits = ["Banana", "Orange", "Apple", "Mango"]; | |
| document.getElementById("demo").innerHTML = Array.isArray(fruits); | |
| </script> | |
| </body> | |
| </html> | |
| //2. getting the length of an array | |
| <p id="demo"></p> | |
| <script> | |
| var fruits = ["Banana", "Orange", "Apple", "Mango"]; | |
| document.getElementById("demo").innerHTML = fruits.length; | |
| </script> | |
| //3. getting the last element in an array | |
| <p id="demo"></p> | |
| <script> | |
| var fruits = ["Banana", "Orange", "Apple", "Mango"]; | |
| document.getElementById("demo").innerHTML = fruits.length-1; | |
| </script> | |
| //4. Adding to an array with PUSH | |
| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <p>The push method appends a new element to an array.</p> | |
| <button onclick="myFunction()">Try it</button> | |
| <p id="demo"></p> | |
| <script> | |
| var fruits = ["Banana", "Orange", "Apple", "Mango"]; | |
| document.getElementById("demo").innerHTML = fruits; | |
| function myFunction() { | |
| fruits.push("Lemon") | |
| document.getElementById("demo").innerHTML = fruits; | |
| } | |
| </script> | |
| </body> | |
| </html> | |
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