The JavaScript encodeURIComponent() Function

encodeURIComponent method ()The function encodes uniform resource identifiers (URI) components.

Note:UsageencodeURIComponent()The function can decode uniform resource identifiers (URI) components.

Syntax:

encodeURIComponent(uri)

var uri = "http://example.com/nxm.php?s=шеллы";
var en = encodeURIComponent(uri);

All browsers fully support the encodeURIComponent() function:

Function
encodeURIComponent()	Is	Is	Is	Is	Is

Parameter	Description
uri	The URI component to be encoded

Return Value:	A new string representing the encoded version of the given URI component
JavaScript Version:	ECMAScript 1