jQuery clearQueue()方法
jQuery clearQueue()方法从队列中删除所有尚未运行的项目。请注意,当一个函数已经开始运行,它一直运行到完成。
语法:
$(selector).clearQueue(name);
这里的 “选择器 “是指选定的元素。
参数:它接受一个参数 “name”,这是函数的名称。
jQuery例子显示clearQueue()方法的工作:
例子1:在下面的代码中,动画方法被清除了。
<!DOCTYPE html>
<html>
<head>
<script src=
"https://code.jquery.com/jquery-1.10.2.js">
</script>
<script>
< !--jQuery code to demonstrate clearQueue method-- >
(document).ready(function () {
< !--click button to start animation-- >
("#b1").click(function () {
("div").animate({
height: 200
}, 2000);
("div").animate({
width: 200
}, 2000);
("div").animate({
height: 100
}, 2000);
("div").animate({
width: 100
}, 2000);
("div").animate({
height: 200
}, 2000);
("div").animate({
width: 200
}, 2000);
("div").animate({
height: 100
}, 2000);
("div").animate({
width: 100
}, 2000);
});
< !--button to stop animation-- >
("#b2").click(function () {
("div").clearQueue();
});
});
</script>
<style>
div {
background: green;
height: 100px;
width: 100px;
}
button {
margin-top: 10px;
}
</style>
</head>
<body>
<div></div>
<!-- click on this button to start the animation -->
<button id="b1">Start !</button>
<!-- click on this button to stop the animation at
given situation -->
<button id="b2">Stop !</button>
</body>
</html>
输出:
例子2:在这个例子中,边框将扩大
<!DOCTYPE html>
<html>
<head>
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<script>
< !--jQuery code to demonstrate clearQueue method-- >
(document).ready(function () {
(".b1").click(function () {
("p").animate({
borderRightWidth: "5px"
});
("p").animate({
borderTopWidth: "5px"
});
("p").animate({
borderLeftWidth: "5px"
});
("p").animate({
borderBottomWidth: "5px"
});
});
(".b2").click(function () {
("p").clearQueue();
});
});
</script>
<style>
p {
display: block;
width: 150px;
border: 1px solid green;
padding: 10px;
}
</style>
</head>
<body>
<p>This is a paragraph.</p>
<!-- click on this button to start the animation -->
<button class="b1">Start</button>
<!-- click on this button to stop the animation
at given situation -->
<button class="b2">Stop</button>
</body>
</html>
输出: