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The deprecated escape() function computes a new string in which certain characters have been replaced by a hexadecimal escape sequence. Use encodeURI or encodeURIComponent instead.
Syntax
escape(str)Parameters
str- A string to be encoded.
Return value
A new string in which certain characters have been escaped.
Description
The escape function is a property of the global object. Special characters are encoded with the exception of: @*_+-./
The hexadecimal form for characters, whose code unit value is 0xFF or less, is a two-digit escape sequence: %xx. For characters with a greater code unit, the four-digit format %uxxxx is used.
Examples
escape("abc123"); // "abc123"
escape("äöü"); // "%E4%F6%FC"
escape("ć"); // "%u0107"
// special characters
escape("@*_+-./"); // "@*_+-./"
Specifications
| Specification | Status | Comment |
|---|---|---|
| ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. |
| ECMAScript 5.1 (ECMA-262) The definition of 'escape' in that specification. |
Standard | Defined in the (informative) Compatibility Annex B |
| ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'escape' in that specification. |
Standard | Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers |
| ECMAScript 2017 Draft (ECMA-262) The definition of 'escape' in that specification. |
Draft | Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |