jQuery Observe: Observe element changes and invoke callbacks

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jquery-observe 1.0MIT/X Consortium ...5HTML, jQuery, Events
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This is a jQuery plugin that can observe element changes and invoke callbacks.

It can observe changes in given page elements and register callback functions that are called when changes are noticed.

The plugin observes changes regularly in periods of 0.1 ms but the rechecking period can be redefined.

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  • MIT Licensed
  • Last Updated: 2011-08-24
  • Version 0.9
  • Author Emil Kilhage

Basicly does the same thing as prototypes TimedObserver: http://www.prototypejs.org/api/timedObserver


jQuery("#id").observe(function (element) {
    // Your callback code, gets called when the field's value changes

 * The default interval that the observer checks if the value has been changed is 0.1 ms.
 * If you wan't to change that you can pass that interval as the first:

jQuery("#id").observe(1, function (element) {
    // your callback

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