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The table on this page lists the Array methods supported by each browser, and which of these are included in the ECMAScript Version 3 standard.
More information can be found on these sites:
Netscape: Client-Side JavaScript Reference
Microsoft: JScript Language Reference
ECMAScript: ECMAScript Language Specification
| Method | Description | NS4+ | IE4+ | ECMA ver3 |
|---|---|---|---|---|
| concat | Joins two arrays and returns a new array. |  | | |
| join | Joins all elements of an array into a string. | | | |
| pop | Removes the last element from an array and returns that element. | | |
|
| push | Adds one or more elements to the end of an array and returns the new length of the array. | | |
|
| reverse | Transposes the elements of an array: the first array element becomes the last and the last becomes the first. | | | |
| shift | Removes the first element from an array and returns that element | | |
|
| slice | Extracts a section of an array and returns a new array. | | | |
| splice | Adds and/or removes elements from an array. | | |
|
| sort | Sorts the elements of an array. | | | |
| toSource | Returns an array literal representing the specified array; can be used to create a new array. | | ||
| toString | Returns a string representing the array and its elements. | | | |
| unshift | Adds one or more elements to the front of an array and returns the new length of the array. | | |
|
| valueOf | Returns the primitive value of the array. | | | |
In order for Explorer to conform to ECMAScript version 3, it needs five new methods:
pop(), push(), shift(), splice() and unshift()
Our task is to create these methods for Explorer using the prototype property and the built-in methods available to us.
We'll start with unshift().
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Created: April 26, 2000
Revised: April 26, 2000
URL: http://www.webreference.com/dhtml/column31/2.html
