Hi Prototype people
Is there a good way to fire the browser's native onchange event?
Here's my situation.
I am using prototype and lowpro. I have a text input box and some
divs. When the user mousedown's on one div, numbers in the input box
start changing. onmouseup, the numbers stop changing. I would also
like to alert the form that one of its inputs has changed.
Here are some simplified snippets of the lowpro Behavior class I
created to do the heavy lifting:
doIncrement : function()
{ newVal = 1 * this.inputBox.value;
newVal = newVal + 0.1;
newVal = newVal.toFixed(1);
this.inputBox.value = newVal;
this.timeoutEvent = setTimeout( this.doIncrement.bind(this), 150 );
},
onmousedown : function(evt)
{ this.doIncrement();
},
onmouseup : function(evt)
{ clearTimeout( this.timeoutEvent );
this.inputBox.focus();
}
Since I explicitly set the input's value with this.input.value =
newVal; the onchange event does not trigger (in Firefox 2.0.0.12 for
linux).
I am sprinkling these input into different forms that I need to inform
of changes, so calling a custom function in onmouseup() won't do the
trick.
It appears that jQuery can do it, and from what I gather in its
source, they eventually just do elem["change"](); but that throws an
"is not defined" error.
Any suggestions?
Regards,
--Dean
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