Don Mapp wrote in post #956253:
> Does anyone knows how to do an observe field using Prototype in Rails
> 3. An example would be useful as I am very weak programming in Ajax.
Prototype
-------------------
document.observe("dom:loaded", function() {
$('foo').observe('click', function(event) {
this.setStyle({backgroundColor: 'blue'});
});
});
jQuery
-------------------
$(document).ready(function() {
$('#foo').click(function() {
$(this).css("backgroundColor", "blue");
});
});
Notice that this begins observing the "click" event on the element with
id="foo" attribute. Also, notice that it waits for the DOM to fully load
before attaching the event listener.
If you want to observe something other than "click" the just replace
that with the event you want to observe (e.g. "change").
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