JavaScript: encodeURIComponent functions
Description
The encodeURIComponent function is used to encodes a Uniform Resource Identifier (URI) component by replacing each instance of certain characters by one, two or three escape sequences representing the UTF-8 encoding of the character.
encodeURIComponent escapes all characters except the following:
alphabetic, decimal digits, - _ . ! ~ * ' ( )
Syntax
encodeURIComponent(str1)
Parameters
str1: A complete, encoded Uniform Resource Identifier.
Example encodeURIComponent Functions
In the following web document encodeURIComponent() function is used to encode a URL parameter.
JavaScript Code:
xyz = encodeURIComponent("http://myw3r.com/x=31&y=21");
//Lets create an URL
url1 = "https://w3resource.com/xyz=" + xyz + "&xyz3=45";
//Here is the complete URL
console.log(url1);
View the example in the browser
Live demo
See the Pen encodeURIComponent-function-1 by w3resource (@w3resource) on CodePen.
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https://www.w3resource.com/javascript/functions/encodeURIComponent-function.php
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