Javascript examples for Language Basics:Introduction
The JavaScript Array object defines a number of methods you can use to work with arrays.
Useful Array Methods
| Method | Description | Returns |
|---|---|---|
| concat(<otherArray>) | Concatenates the contents of the array with the array specified by the argument. Multiple arrays can be specified. | Array |
| join(<separator>) | Joins all of the elements in the array to form a string. The argument specifies the character used to delimit the items. | string |
| pop() | Treats an array like a stack, and removes and returns the last item in the array. | object |
| push(<item>) | Treats an array like a stack, and appends the specified item to the array. | void |
| reverse() | Reverses the order of the items in the array in place. | Array |
| shift() | Like pop, but operates on the first element in the array. | object |
| slice(<start>,<end>) | Returns a sub-array. | Array |
| sort() | Sorts the items in the array in place. | Array |
| unshift(<item>) | Like push, but inserts the new element at the start of the array. | void |