Javascript Reference Guide

This guide contains useful Javascript tips.

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Encoding url.

It is sometimes needed to encode or decode an URL for test purposes.

When an URL is encoded, the ASCII characterset is used (20-7E hexadecimal).

Note: 00-1F and 7F are not used because they are control characters.

The following characters in the ASCII charaterset (a-z, A-Z and 0-9) are not encoded. All others characters in ASCII charaterset are encoded by their two-character hexadecimal values preceeded by a % sign.

URL: d'Art&age=30

Encoded URL:



Encoded URL: