The SyntaxError.prototype property represents the prototype for the SyntaxError constructor.
All SyntaxError instances inherit from SyntaxError.prototype. You can use the prototype to add properties or methods to all instances.
SyntaxError.prototype.constructorSyntaxError.prototype.messageSyntaxError should provide its own message property, in SpiderMonkey, it inherits Error.prototype.message.SyntaxError.prototype.nameError.SyntaxError.prototype.fileNameError.SyntaxError.prototype.lineNumberError.SyntaxError.prototype.columnNumberError.SyntaxError.prototype.stackError.Although the SyntaxError prototype object does not contain any methods of its own, SyntaxError instances do inherit some methods through the prototype chain.
| Specification | Status | Comment |
|---|---|---|
| ECMAScript 3rd Edition (ECMA-262) | Standard | Initial definition. |
| ECMAScript 5.1 (ECMA-262) The definition of 'NativeError.prototype' in that specification. | Standard | Defined as NativeError.prototype. |
| ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'NativeError.prototype' in that specification. | Standard | Defined as NativeError.prototype. |
| ECMAScript Latest Draft (ECMA-262) The definition of 'NativeError.prototype' in that specification. | Draft | Defined as NativeError.prototype. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | Yes | Yes | 1 | Yes | Yes | Yes |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | Yes | Yes | Yes | 4 | Yes | Yes | Yes |
| Server | |
|---|---|
| Node.js | |
| Basic support | Yes |
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SyntaxError/prototype