How to validate Integer value in jquery

Question

I need to validate input field, it should be integer(0-100), if max_seat = 5 then min_seat should be less than or equal to max_seats.

<form class="cmxform form-horizontal" id="table_info" name="table_info"  method="post" action="">                                                       
<input class="span6 " id="max_seat"  name="default_seats" type="text" />
<input class="span6 " id="min_seats"  name="default_seats" type="text" />
</form>

and the jquery is looking like this, how to create rules in this type validation, thank you

    $("#table_info").validate(
    {
        rules: {
            min_range :"required integer",
            max_seats:"required integer"
        },
        messages: {
            max_seats: "* Required",
            min_range: "* Required",
        }
    });

You need to write a custom validation method that compares the value in one field to another field. — Barmar
– Barmar, Commented Jul 27, 2014 at 14:23
yes, but i dont know where to do those validation thats why i asked this question bro — user3419304
– user3419304, Commented Jul 27, 2014 at 14:34

Sparky · Accepted Answer · 2014-07-27 14:41:14Z

This is not how you declare multiple rules. (This shorthand style can only be used with one rule.)

rules: {
    min_range :"required integer",
    max_seats:"required integer"
}

You must declare each rule separately. And for an integer, you can use the digits method.

Your HTML is also not valid for this plugin...

<input class="span6 " id="max_seat"  name="default_seats" type="text" />
<input class="span6 " id="min_seats"  name="default_seats" type="text" />

Each field must contain a unique name attribute and you would declare your rules based on that name. (Declare the messages option similarly)

rules: {
    min_seats: { // <- this is the NAME attribute of the field, not ID
        required: true,
        digit: true
    },
    max_seats: { // <- this is the NAME attribute of the field, not ID
        required: true,
        digit: true
    }
}

To compare the two fields, you must use the .addMethod() method and declare your new custom rule the same as above.

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