Who Add "_" Single Underscore Query Parameter?

jQuery adds a parameter like that to get around IE's caching.

edit: it only adds it for get requests, and only if the option cache is false:

cache: false

It could be the JQuery CacheBuster parameter.

Resources :

[jQuery] GData JSON queries "Invalid query parameters:_"
[jQuery] Turn off Cache Busting in $.getScript
Cache-busting

Tags:

Javascript

Php

Apache

Http

Ajax

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