修改样式属性
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
div {
width: 200px;
height: 200px;
background-color: skyblue;
}
</style>
<script src="./jquery.min.js"></script>
</head>
<body>
<div></div>
<script>
$(function () {
console.log($('div').css("width"));
$('div').css({ width: 400, height: 400, backgroundColor: "red" });
})
</script>
</body>
</html>
设置类方式
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./jquery.min.js"></script>
<style>
div {
width: 200px;
height: 200px;
background-color: skyblue;
transition: all 0.5s;
}
.red {
background-color: red;
}
.circle {
border-radius: 60px;
}
.current {
transform: rotate(70deg);
}
</style>
</head>
<body>
<div class="circle">1</div>
<script>
$(function () {
$('div').click(function () {
$(this).addClass("red");
})
$("div").mouseover(function () {
$(this).removeClass("circle");
})
$("div").click(function () {
$(this).toggleClass("current");
})
})
</script>
</body>
</html>