JavaScript Symbol replace the property is used to determine the method that replaces the matched substring of a string. This function is called by the String replace() method.
Syntax:
[Symbol.replace](string)
Parameters: It accepts single parameter “String”.
Return value: It will return a new string. The below examples illustrate the Symbol.replace the property in JavaScript:
Below examples illustrate the JavaScript Symbol replace Property
Example 1: In this example, we will
javascript
class Replace1 { constructor(value) { this.value = value; } [Symbol.replace](string) { return `${string} --> ${this.value}`; }}console.log('neveropen'.replace(new Replace1('GEEKSFORGEEKS')));console.log('Article written by '.replace(new Replace1('Shubham Singh'))); |
Output:
"neveropen --> GEEKSFORGEEKS" "Article written by --> Shubham Singh"
Example 2:
javascript
class Replace2 { constructor(value) { this.value = value; } [Symbol.replace](string) { return `${string}`; }}let val = new Replace2("neveropen");console.log("Before: " + val.value);console.log("After: " + val.value .toUpperCase().replace(val.value));let val2 = new Replace2("Few Users");console.log("Before: " + val2.value);console.log("After: " + "Millions of Users" .replace(val2.value)); |
Output:
"Before: neveropen" "After: GEEKSFORGEEKS" "Before: Few Users" "After: Millions of Users"
Supported Browsers: The browsers supported by Symbol replace property are listed below:
- Google Chrome 51
- Firefox 50
- Edge 15
- Opera
- Apple Safari
We have a complete list of Javascript symbols’ properties and methods, to check those please go through the Javascript Symbol Complete Reference article.
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