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This is an experimental technology, part of the Harmony (ECMAScript 6) proposal.
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future version of browsers as the spec changes.
Summary
The values() method returns a new Array Iterator object that contains the values for each index in the array.
Syntax
arr.values()Examples
Example: Iteration using for...of loop
var arr = ['w', 'y', 'k', 'o', 'p'];
var eArr = arr.values();
// your browser must support for..of loop
// and let-scoped variables in for loops
for (let letter of eArr) {
console.log(letter);
}
Example: Alternative iteration
var arr = ['w', 'y', 'k', 'o', 'p']; var eArr = arr.values(); console.log(eArr.next().value); // w console.log(eArr.next().value); // y console.log(eArr.next().value); // k console.log(eArr.next().value); // o console.log(eArr.next().value); // p
Specifications
| Specification | Status | Comment |
|---|---|---|
| ECMAScript 6 (ECMA-262) The definition of 'Array.prototype.values' in that specification. |
Draft | Initial definition. |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | 38 | Not supported | Not supported | Not supported | Not supported |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | Not supported | Not supported | Not supported | Not supported |
Firefox-specific notes
- Due to a compatability problem,
Array.prototype.values()has been removed from SpiderMonkey for now.