Array.shift

shift — Removes the first element off an array and returns it.

Description

Array.shift()

Return values

mixed. The value that was removed.

Examples

Example #1 – shift example

Run
var array = [2, 4, 8, 16];
console.log(array);          // [2, 4, 8, 16]
console.log(array.length);   // 4
console.log(array.shift());  // 2
console.log(array);          // [4, 8, 16]
console.log(array.length);   // 3

See also

• Array.unshift()

• Array.push()

• Array.pop()

External references

• Mozilla: Array.shift method