The Symbol.replace static data property represents the well-known symbol @@replace. The String.prototype.replace() method looks up this symbol on its first argument for the method that replaces substrings matched by the current object.
For more information, see RegExp.prototype[@@replace]() and String.prototype.replace().
The well-known symbol @@replace.
Property attributes of Symbol.replace |
|
|---|---|
| Writable | no |
| Enumerable | no |
| Configurable | no |
class CustomReplacer {
constructor(value) {
this.value = value;
}
[Symbol.replace](string) {
return string.replace(this.value, "#!@?");
}
}
console.log("football".replace(new CustomReplacer("foo"))); // "#!@?tball"
| Specification |
|---|
| ECMAScript Language Specification # sec-symbol.replace |
| Desktop | Mobile | Server | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | Deno | Node.js | ||
replace |
50 | 79 | 49 | 37 | 10 | 50 | 49 | 37 | 10 | 5.0 | 50 | 1.0 | 6.0.0 | |
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/replace