dmx dmx - 4 months ago 31
CSS Question

javascript horizontal scroll text

I want horizontal scroll on my app. there are multiple example, but I found one that fit my need. But when i try it it just don't work as it should. please look and tell me what the problem is:

<!DOCTYPE html>
<html>
<head>
<style>
div.marquee {
white-space:no-wrap;
overflow:hidden;
}
div.marquee > div.marquee-text {
white-space:nowrap;
display:inline;
width:auto;
}
</style>
<script>
var marquee = $('div.marquee');
console.log(marquee);
marquee.each(function() {
var mar = $(this),indent = mar.width();
mar.marquee = function() {
indent--;
mar.css('text-indent',indent);
if (indent < -1 * mar.children('div.marquee-text').width()) {
indent = mar.width();
}
};
mar.data('interval',setInterval(mar.marquee,1000/60));
});
</script>
</head>
<body>
<div class='marquee'>
<div class='marquee-text'>
Testing this marquee function
</div>
</div>

</body>
</html>


update
There is no error in console:
enter image description here

Answer

You forgot to include jQuery in your website. Otherwise, it works as expected (at least I think so).

$(document).ready(function() {
    var marquee = $('div.marquee');
    console.log(marquee);
    marquee.each(function() {
        var mar = $(this),indent = mar.width();
        mar.marquee = function() {
            indent--;
            mar.css('text-indent',indent);
            if (indent < -1 * mar.children('div.marquee-text').width()) {
                indent = mar.width();
            }
        };
        mar.data('interval',setInterval(mar.marquee,1000/60));
    });
});
div.marquee {
    white-space:no-wrap;
    overflow:hidden;
}
div.marquee > div.marquee-text {
    white-space:nowrap;
    display:inline;
    width:auto;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class='marquee'>
    <div class='marquee-text'>
        Testing this marquee function
    </div>
</div>

Edit: added $(document).ready() to ensure that elements will be loaded.

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