w3resource
JavaScript Object

JavaScript: encodeURI() function

encodeURI function

The encodeURI is used to encode a Uniform Resource Identifier (URI) by replacing each instance of certain characters by one, two or three escape sequences representing the UTF-8 encoding of the character.

Syntax

encodeURI(uri)

Parameters

uri: A complete Uniform Resource Identifier.

The encodeURI function replaces all characters except the following with the appropriate UTF-8 escape sequences:

Type Characters include
Reserved characters ; , / ? : @ & = + $
Unescaped characters alphabetic, decimal digits, - _ . ! ~ * ' ( )
Score #

Example of encodeURI() function

The following web document encodes a specified string using the encodeURI() function.

JavaScript Code:

str1 = "https://www.w3resource.com/javascript tutorial.html";
console.log(str1);
str2 = encodeURI("https://www.w3resource.com/javascript tutorial.html");
console.log("After using encodeURI function : "+str2);

View the example in the browser

Live demo:

See the Pen encodeURI-function-1 by w3resource (@w3resource) on CodePen.




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