function with parameter don't work ?

Hello
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I call a function since a combobox in a repeater :
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in the combo I call the funtion :effacer({var:area_repeater5.key}) : the function don't work
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if I call the function without parameter: effacer it's work
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so I can't send information to a function ???
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where is my error ?
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thanks a lot for your help
​
eric

Well look in your javascript console, are there any errors? And WHEN do you call this function, and how?

I create a clear form
​
​
I have a function javascript on load
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function t1()
{
alert("hello");
}
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and a button with event on click : function : t1 : it's work
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but if use
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javascript
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function t1(lib)
{alert(lib);}
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and a button with event on click : function : t1("hello") : it's doesn't work
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​
debug :
Error: Syntax error, unrecognized expression: :input[name="t1("hello")"]
​

​
eric