Note: This is a low-level method, you should probably use .queue() instead.
A DOM element to inspect for an attached queue.
A string containing the name of the queue. Defaults to fx, the standard effects queue.
Show the length of the queue.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery.queue demo</title>
<style>
div {
margin: 3px;
width: 40px;
height: 40px;
position: absolute;
left: 0px;
top: 30px;
background: green;
display: none;
}
div.newcolor {
background: blue;
}
span {
color: red;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<button id="show">Show Length of Queue</button>
<span></span>
<div></div>
<script>
$( "#show" ).click(function() {
var n = jQuery.queue( $( "div" )[ 0 ], "fx" );
$( "span" ).text( "Queue length is: " + n.length );
});
function runIt() {
$( "div" )
.show( "slow" )
.animate({
left: "+=200"
}, 2000 )
.slideToggle( 1000 )
.slideToggle( "fast" )
.animate({
left: "-=200"
}, 1500 )
.hide( "slow" )
.show( 1200 )
.slideUp( "normal", runIt );
}
runIt();
</script>
</body>
</html>
Note: This is a low-level method, you should probably use .queue() instead.
Every element can have one or more queues of functions attached to it by jQuery. In most applications, only one queue (called fx) is used. Queues allow a sequence of actions to be called on an element asynchronously, without halting program execution.
The jQuery.queue() method allows us to directly manipulate this queue of functions. Calling jQuery.queue() with a callback is particularly useful; it allows us to place a new function at the end of the queue.
Note that when adding a function with jQuery.queue(), we should ensure that jQuery.dequeue() is eventually called so that the next function in line executes.
A DOM element where the array of queued functions is attached.
A string containing the name of the queue. Defaults to fx, the standard effects queue.
An array of functions to replace the current queue contents.
A DOM element on which to add a queued function.
A string containing the name of the queue. Defaults to fx, the standard effects queue.
The new function to add to the queue.
Queue a custom function.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery.queue demo</title>
<style>
div {
margin: 3px;
width: 40px;
height: 40px;
position: absolute;
left: 0px;
top: 30px;
background: green;
display: none;
}
div.newcolor {
background: blue;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
Click here...
<div></div>
<script>
$( document.body ).click(function() {
var divs = $( "div" )
.show( "slow" )
.animate({ left: "+=200" }, 2000 );
jQuery.queue( divs[ 0 ], "fx", function() {
$( this ).addClass( "newcolor" );
jQuery.dequeue( this );
});
divs.animate({ left: "-=200" }, 500 );
jQuery.queue( divs[ 0 ], "fx", function() {
$( this ).removeClass( "newcolor" );
jQuery.dequeue( this );
});
divs.slideUp();
});
</script>
</body>
</html>
Set a queue array to delete the queue.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery.queue demo</title>
<style>
div {
margin: 3px;
width: 40px;
height: 40px;
position: absolute;
left: 0px;
top: 30px;
background: green;
display: none;
}
div.newcolor {
background: blue;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<button id="start">Start</button>
<button id="stop">Stop</button>
<div></div>
<script>
$( "#start" ).click(function() {
var divs = $( "div" )
.show( "slow" )
.animate({ left: "+=200" }, 5000 );
jQuery.queue( divs[ 0 ], "fx", function() {
$( this ).addClass( "newcolor" );
jQuery.dequeue( this );
});
divs.animate({ left: "-=200" }, 1500 );
jQuery.queue( divs[ 0 ], "fx", function() {
$( this ).removeClass( "newcolor" );
jQuery.dequeue( this );
});
divs.slideUp();
});
$( "#stop" ).click(function() {
jQuery.queue( $( "div" )[ 0 ], "fx", [] );
$( "div" ).stop();
});
</script>
</body>
</html>
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