Why can't .attr() change the value of value?
$("input").attr("value") = "New text";
See also a live jsfiddle example
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4 Answers
In general: Because the value attribute sets the default value, not the current value. Use the val() method instead.
$("input").val("New text");
In your specific case (because the value hasn't be changed by the user): because the attr method doesn't give you something you can assign a value to (and can't be written in such a way as would allow you to). It takes two arguments, the second of which is the value you want to assign.
$("input").attr("value", "New text");
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You should do
$("input").val("New text");
answered Jul 29, 2011 at 14:42
Nicola Peluchetti
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This code may help you :
$("input").attr(attributName , valueYouWantToGiveToTheAttribute)
The attr function first parameter is the attribute name and the second option the value that you want to give to the attribute. Via this function, you can add attributes to the element and also edit attributes value of an element.
