Adding parameters to a JQuery function

Question

Beginners question about adding variables to a function:

Putting in the amounts :

var calcdiscount = function () {

    var test = $('#discount').val();
    if (test.length > 0 && $('#discount')[0].checkValidity()) {
        PizzaSizeCost(2);
    }
    else {
        PizzaSizeCost(0);
    }
}
;

Getting out the amount:

var PizzaSizeCost = function (test) {

How can I do this ?

How Can I put in the amount and get it out again? .... Obvious.../ — user3657270
– user3657270, Commented Jan 18, 2015 at 12:54

paulbailey · Accepted Answer · 2015-01-18 12:52:19Z

2

A function uses return to, well, return values to the caller. So:

function testValue(value) {
    if (value < 100) {
        return "Small";
    } else {
        return "Large";
    }
}

var example = testValue(75);
// Now example = "Small"
var secondExample = testValue(125);
// secondExample = "Large"

answered Jan 18, 2015 at 12:52

paulbailey

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1 Comment

paulbailey Over a year ago

This is basic JavaScript by the way, not JQuery.

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