Citirea elementelor CSS
Proprietatile CSS ale unui element HTML se pot citi /prelua cu urmatoarea sintaxa:
$('selector').css('proprietate_css');
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- selector - reprezinta un element HTML.
- proprietate_css - proprietatea CSS ce va fi citita.
Preluarea culorii de background dintr-un element div.
<!DOCTYPE html>
<html>
<head>
<style>
div { width:60px; height:60px; margin:5px; float:left; }
</style>
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
</head>
<body>
<span id="result"> </span>
<div style="background-color:blue;"></div>
<div style="background-color:rgb(15,99,30);"></div>
<div style="background-color:#123456;"></div>
<div style="background-color:#f11;"></div>
<script>
$("div").click(function () {
var color = $(this).css("background-color");
$("#result").html("That div is <span style='color:" +
color + ";'>" + color + "</span>.");
});
</script>
</body>
</html>
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Preluarea valorilor width, height, text color si background color la apasarea unui element div.
<!DOCTYPE html>
<html>
<head>
<style>
div { height: 50px; margin: 5px; padding: 5px; float: left; }
#box1 { width: 50px; color: yellow; background-color: blue; }
#box2 { width: 80px; color: rgb(255,255,255); background-color: rgb(15,99,30); }
#box3 { width: 40px; color: #fcc; background-color: #123456; }
#box4 { width: 70px; background-color: #f11; }
</style>
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
</head>
<body>
<p id="result"> </p>
<div id="box1">1</div>
<div id="box2">2</div>
<div id="box3">3</div>
<div id="box4">4</div>
<script>
$("div").click(function () {
var html = ["The clicked div has the following styles:"];
var styleProps = $(this).css( ["width", "height", "color", "background-color"] );
$.each( styleProps, function( prop, value ) {
html.push( prop + ": " + value );
});
$( "#result" ).html( html.join( "<br>" ) );
});
</script>
</body>
</html>
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Schimbarea culorii unui text la trecerea mouse-ului peste el.
<!DOCTYPE html>
<html>
<head>
<style>
p { color:blue; width:200px; font-size:14px; }
</style>
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
</head>
<body>
<p>Just roll the mouse over me.</p>
<p>Or me to see a color change.</p>
<script>
$("p").on( "mouseover", function() {
$(this).css( "color", "red" );
});
</script>
</body>
</html>
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