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jQuery: Insert 30 empty span tags
Posted on 2013-01-06
Using jQuery, what is the best way to insert 30 empty span tags into a paragraph? My code below works but I want to do it with less code.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Demo</title>
<style type="text/css">
span {
display: block;
border: 1px solid red; margin: 5px; float: left; height: 5px; width: 5px; background: blue;
}
</style>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
$('p').append('<span />')
});
</script>
</head>
<body>
<p></p>
</body>
</html>
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4 Comments
Active 3 days ago
$(document).ready(function
for(var i=0;i<30;i++) $('p').append('<span />');
});
for(var i=0;i<30;i++) $('p').append('<span />');
});
How could I do that inline like this:
$('div').after( '<p class="slidesNav">'+ _30_SPAN_TAGS_HERE '+'</p>');
Try this
<script>
$(document).ready(function() {
for(var i=0;i<30;i++) $('#test').add('<p><span></span></p>').appendTo(document.body);
});
</script>
<div id="test"></div>
I would use a combination of the two solutions:
This is more performant than using the append method 30 times. By doing so you would use the append method only once with a text variable which contains 30 span tags.
$(document).ready(function() {
$('div').after( '<p class="slidesNav"></p>');
var spans;
for(var i=0;i<30;i++) {
spans += '<span></span>';
}
$('.slidesNav').append(spans);
});
This is more performant than using the append method 30 times. By doing so you would use the append method only once with a text variable which contains 30 span tags.
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Requirements
JQuery 1.6+
HTML
CSS
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