SO - 21984422

by Arun P Johny

HTML

<select id="ophalenUur" class="timePicker selectOption">
    <option value="-">Kies Tijd</option>
    <option value="8">08.00</option>
    <option value="8.5">08.30</option>
    <option value="9">09.00</option>
    <option value="9.5">09.30</option>
    <option value="10">10.00</option>
    <option value="10.5">10.30</option>
    <option value="11">11.00</option>
    <option value="11.5">11.30</option>
    <option value="12">12.00</option>
    <option value="12.5">12.30</option>
    <option value="13">13.00</option>
    <option value="13.5">13.30</option>
    <option value="14">14.00</option>
    <option value="14.5">14.30</option>
    <option value="15.">15.00</option>
    <option value="15.5">15.30</option>
    <option value="16">16.00</option>
    <option value="16.5">16.30</option>
    <option value="17">17.00</option>
    <option value="17.5">17.30</option>
    <option value="18">18.00</option>
    <option value="18.5">18.30</option>
    <option value="19">19.00</option>
    <option value="19.5">19.30</option>
    <option value="20">20.00</option>
</select>
<select id="inleverenUur" class="timePicker selectOption">
    <option class="defaultTime" value="-">Kies Tijd</option>
    <option value="8">08.00</option>
    <option value="8.5">08.30</option>
    <option value="9">09.00</option>
    <option value="9.5">09.30</option>
    <option value="10">10.00</option>
    <option value="10.5">10.30</option>
    <option value="11">11.00</option>
    <option value="11.5">11.30</option>
    <option value="12">12.00</option>
    <option value="12.5">12.30</option>
    <option value="13">13.00</option>
    <option value="13.5">13.30</option>
    <option value="14">14.00</option>
    <option value="14.5">14.30</option>
    <option value="15.">15.00</option>
    <option value="15.5">15.30</option>
    <option value="16">16.00</option>
    <option value="16.5">16.30</option>
    <option value="17">17.00</option>
    <option value="17.5">17.30</option>
    <option...

JavaScript

var pickUp = 0;
var returnTime = 0;
var totalExtra = 0;

$('#ophalenUur').change(function () {
    //conver the value string to number by prfixing it with + or you can use parseInt(this.value, 10)
    pickUp = +this.value;
    $('.pickUp').text("PickUp: " + pickUp);
});

$('#inleverenUur').change(function () {
    returnTime = +this.value;
    $('.returntime').text("return: " + returnTime);

    if (returnTime > pickUp) {
        alert("yea");
    } else {
        alert("no");
    }
});