Using@@splitin subclasses Subclasses ofRegExpcan override the[@@split]()method to modify the default behavior. class MyRegExp extends RegExp { [Symbol.split](str, limit) { var result = RegExp.prototype[Symbol.split].call(this, str, limit); return result.map(x => "(" + x + ")")...
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JavaScript built-in: String: split Global usage 96.73% + 0% = 96.73% IE ✅ 6 - 10: Supported ✅ 11: Supported Edge ✅ 12 - 133: Supported ✅ 134: Supported Firefox ✅ 2 - 136: Supported ✅ 137: Supported ✅ 138 - 140: Supported Chrome ✅ 4 - 134: Supported ✅ ...
今天我看了NN4的源码链接,确认确实JS的split是从Perl抄的,而且JS1.2特意补上了一开始Brendan没有来得及抄全的行为,比如支持正则,比如 split(' ') 的特殊行为:trim头尾,然后split(/\s+/)。所以我相信Netscape工程师当时的计划肯定是照抄Perl的。而且我发现MDN当年的文档 New in JavaScript 1.2中对split的变更是...
In this example, a text node will be split into two text nodes and a inserted between them. foobar var p = document.getElementById('p'); var textnode = p.firstChild; // split between foo and bar var replacementNode = textnode.splitText(3); // creating a span with ' ...
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https://caniuse.com/mdn-javascript_builtins_regexp_--split These are all interrelated concepts with different support histories, but none of them explicitly mention splitting with groupings as a separate caveat. In fact, even the aforementioned MDN page has removed the aforementioned statement abou...
There are different ways to test JavaScript code. Some testing frameworks simulate browser environments in Node.js, while others run tests in real browsers. In this context, [jsdom](https://www.npmjs.com/package/jsdom) is an example of a spec implementation that simulates a browser environme...
[object Date]"Object.prototype.toString.call(newObject);//"[object Object]"Object.prototype.toString.call(newString);//"[object String]"Object.prototype.toString.call(Math);//"[object Math]"//Since JavaScript 1.8.5Object.prototype.toString.call(null);//"[object Null]"Object.prototype.toString...
Implemented in JavaScript 1.1 ECMAScript 5.1 (ECMA-262) String.prototype.splitStandard ECMAScript 2015 (6th Edition, ECMA-262) String.prototype.splitStandard 浏览器兼容性 Desktop Mobile FeatureChromeFirefox (Gecko)Internet ExplorerOperaSafari Basic support(Yes)(Yes)(Yes)(Yes)(Yes) ...