Jquery Validator Dynamic Parameters
Is there a way to pass dynamic parameters into a custom jquery validate method? Specifically, I was looking for a way to compare 2 controls and would like to pass one to the other's validate method for comparison.
Here is what I currently have:
//Add method
$.validator.addMethod("lowerInt", function(value, element, params) {
alert('inside method');
if (isNaN(parseInt(params)))
return true;
else
return parseInt(value) < parseInt(params);
}, $.validator.format("Please enter a number smaller than {0}"));
//Set validation
$("#form1").validate({
rules: {
lowInt: {
required: true,
integer: true,
lowerInt: 8 //I would like to pass a dynamic value here
}
}
});
If I run it as above, it works as it should. If I chan开发者_如何学Goge the 8 passed in to lowerInt to $('#highInt').val(), it seems to set the value for the lowerInt function only once and never update it. I realize that I can get the value inside of the method by calling $('#highInt').val(), but I would like to pass the value instead if at all possible.
I would pass in a selector, like this:
//Add method
$.validator.addMethod("lowerInt", function(value, element, params) {
var hi = typeof params[0] == "string" ?
parseInt($(params[0]).val(), 10) :
params[0];
if (isNaN(hi))
return true;
else
return parseInt(value) < hi;
}, $.validator.format("Please enter a number smaller than {0}"));
//Set validation
$("#form1").validate({
rules: {
lowInt: {
required: true,
integer: true,
lowerInt: '#highInt'
}
}
});
This version will take either a number or a selector, making it as flexible as possible.
Make the parameter a function.
$("#form1").validate({
rules: {
lowInt: {
required: true,
integer: true,
lowerInt: function(){ return $('#highInt').val(); }
}
}
});
Then you call the function in the validate method something like
var high = params[0]();
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