Array Methods Reference:
The following table lists all the Array methods.
|
Method
|
Description
|
| concat()
|
Returns new array by combining values of an array that is specified as parameter with existing array values.
|
| every()
|
Returns true or false if every element in the specified array satisfies a condition specified in the callback function. Returns false even if single element does not satisfy the condition.
|
| filter()
|
Returns a new array with all the elements that satisfy a condition specified in the callback function.
|
| forEach()
|
Executes a callback function for each elements of an array.
|
| indexOf()
|
Returns the index of the first occurrence of the specified element in the array, or -1 if it is not found.
|
| join()
|
Returns string of all the elements separated by the specified separator
|
| lastIndexOf()
|
Returns the index of the last occurrence of the specified element in the array, or -1 if it is not found.
|
| map()
|
Creates a new array with the results of calling a provided function on every element in this array.
|
| pop()
|
Removes the last element from an array and returns that element.
|
| push()
|
Adds one or more elements at the end of an array and returns the new length of the array.
|
| reduce()
|
Pass two elements simultaneously in the callback function (till it reaches the last element) and returns a single value.
|
| reduceRight()
|
Pass two elements simultaneously in the callback function from right-to-left (till it reaches the last element) and returns a single value.
|
| reverse()
|
Reverses the elements of an array. Element at last index will be first and element at 0 index will be last.
|
| shift()
|
Removes the first element from an array and returns that element.
|
| slice()
|
Returns a new array with specified start to end elements.
|
| some()
|
Returns true if at least one element in this array satisfies the condition in the callback function.
|
| sort()
|
Sorts the elements of an array.
|
| splice()
|
Adds and/or removes elements from an 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.
|
