我想更改框大小如何使用animate方法？
[英]i want to change the box size how to use animate method?
问题描述
i want to change the box size and how to use animate() method? 
我想更改框大小以及如何使用animate（）方法？ I tried but it's not work... where is the problem?? 我试过但它不起作用......问题出在哪里？
<style>
.box {
width: 200px;
height: 200px;
background-color: red;
}
</style>
</head>
<body>
<div class="box"></div>
<script>
const boxes = document.querySelector(".box");
boxes.addEventListener("click", boxes1);
function boxes1() {
boxes.animate({
width: "300px"
});
}
/*boxes.click(function(){
boxes.animate({width:"300"});
}); << it also not work */
</script>
3 个解决方案
解决方案1
0 2019-06-05 06:19:02
Here iam using Javascript and HTML to change the box width while click on it 这里我使用Javascript和HTML来更改框宽，同时单击它
function change_width() { document.getElementById("box").style.width='300px'; }
#box { width: 200px; height: 200px; background-color: red; }
<html> <head> </head> <body> <div id="box" onclick="change_width()"></div> </body> </html>
解决方案2
0 2019-06-05 06:27:12
You can use the below code to animate the box on click 您可以使用以下代码在单击时为该框设置动画
<html>
<head>
<style>
.box {
width: 200px;
height: 200px;
background-color: red;
transition: width 300ms ease-in;
}
</style>
<title>Title</title>
</head>
<body>
<div class="box"></div>
<script>
const boxes = document.querySelector(".box");
boxes.addEventListener("click", boxes1, false);
function boxes1() {
this.style.width = "300px";
}
</script>
</body>
</html>
解决方案3
0 2019-06-05 06:38:02
The animate() method is part of a library called jQuery which you need to include using <script></script> tags in your <head></head> to use. animate()方法是名为jQuery的库的一部分，您需要使用<head></head> <script></script>标记来使用它。
In order to use jQuery methods, you need to apply them to a jQuery object. 为了使用jQuery方法，您需要将它们应用于jQuery对象。 Here I have used $('.box') to select elements with the class box . 在这里，我使用$('.box')选择带有类box元素。 In the function, you can then use $(this) (which is a jQuery object) to refer to the box clicked and animate it accordingly. 在函数中，您可以使用$(this) （这是一个jQuery对象）来引用单击的框并相应地为其设置动画。
See example below: 见下面的例子：
<html> <head> <!-- Include jQuery to use mthods such as .click & .animate --> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <style> .box { width: 200px; height: 200px; background-color: red; } </style> </head> <body> <div class="box"></div> <script> $('.box').click(function(){ $(this).animate({width:"300"}); }); </script> </body> </html>
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