老师请检查
来源：1-19 自由编程
慕工程8205364
2021-01-10 18:01:24
<!DOCTYPE html >
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery练习</title>
<style type="text/css">
.div1{
float: left;
width: 50px;
line-height: 30px;
background-color: lightgray;
margin-left: 10px;
text-align: center;
vertical-align: middle;
}
.div2{
width: 300px;
height: 300px;
border: solid gray 1px;
margin-top: 60px;
color: red;
}
</style>
</head>
<body>
<h2>请选择背景颜色</h2>
<div>
<div id="blue" class="div1">蓝色</div>
<div id="green" class="div1">绿色</div>
</div>
<div class="div2" id="bg">
</div>
<div>输入颜色首字母： <input type="text" name="color"></div>
<script type="text/javascript" src="JQuery/jquery-3.5.1.min.js"></script>
<script type="text/javascript">
$("#blue").click(function(){
$("#bg").css("background-color","blue").text("蓝色背景");
});
$("#green").click(function(){
$("#bg").css({"background-color":"green","font-weight":"bold","font-style":"italic"}).text("绿色背景");
});
$("input[name='color']").keypress(function(event){
if(event.keyCode==66){
$("#bg").css("background-color","blue").text("");
}else if(event.keyCode==71){
$("#bg").css("background-color","green").text("");
}
});
</script>
</body>
</html>
1回答
-
好帮手慕小脸
2021-01-10
同学你好，经测试运行上述贴出的代码，是没有问题的，很棒~继续加油 ~
祝学习愉快~
0
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