jQuery traverse Form sample code_jquery

jQuery traverses the Form, the code is as follows

Copy the code The code is as follows:

<script type=" text/javascript">

// Get all input variables of the form with id form1

values ​​= $("#form1").serializeArray();

var values, index;

for (index = 0; index < values.length; index)
{
if (values[index].name == "textfield2")
{
// Change the value of the specified input in the form
values[index].value = "hello";
}
}

</script>