JavaScript Reference
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Quick Reference

The JavaScript encodeURI() method encodes a URI.

<!-- html element to place output -->
<p id="my_output"></p>
// variables
let my_uri = 'my site.php?band=Mötley Crüe';
let encoded = encodeURI(my_uri);

// output to the HTML element
document.getElementById('my_output').innerHTML = 'Encoded URI:<br>' + encoded;

Output

Encoded URI:
my%20site.php?band=M%C3%B6tley%20Cr%C3%BCe

Syntax

encodeURI(uri)

JavaScript Notes:

  • When using JavaScript, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
  • JavaScript is a case-sensitive language; firstName is NOT the same as firstname
  • Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
  • JavaScript variables must begin with a letter, $, or _
  • JavaScript variables are case sensitive (x is not the same as X)
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