js variable declare inside in the string
by Ranganathan[ Edit ] 2013-07-29 19:03:26
Variable declare inside in the string.It is use for some time convert string into variable name.
<script type="text/javascript">
var string="var t=10;";
eval(string);
alert(t);
test("id","error message","variable")
/* Pass any text box id, variable name and error message then automatically
declare variable and assign values */
function test(id,error,variable)
{
var t=$("#"+id).val();
if(t=="")
{
alert(error);
return 0;
}
else
{
t=parseFloat(t);
//alert(variable+"="+t);
eval("var "+variable+"="+t);
return 1;
}
}
</script>