Symbol.replace
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()
.
Try it
Value
The well-known symbol @@replace
.
Property attributes of Symbol.replace |
|
---|---|
Writable | no |
Enumerable | no |
Configurable | no |
Examples
Using Symbol.replace
js
class CustomReplacer {
constructor(value) {
this.value = value;
}
[Symbol.replace](string) {
return string.replace(this.value, "#!@?");
}
}
console.log("football".replace(new CustomReplacer("foo"))); // "#!@?tball"
Specifications
Specification |
---|
ECMAScript Language Specification # sec-symbol.replace |
Browser compatibility
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