abstract：js制作燈泡小案例用js控制燈泡開關(guān)<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>
js制作燈泡小案例
用js控制燈泡開關(guān)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>light</title>
<link href="//netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
<style>
.light{width: 300px; height: 300px; margin: 200px auto; line-height: 300px;}
.light i{border: 1px solid #fff; display: inline-block; color:#f2f2f2; font-size:200px; }
</style>
<script type="text/javascript">
var y=1;
function lightOpen(x){
if(y==1){
x.style.color='#f2f579';
y=0;
}else if(y==0){
x.style.color='#f2f2f2';
y=1;
}
}
</script>
</head>
<body>
<div class="light" >
<i class="fa fa-lightbulb-o " id="light_1" onclick="lightOpen(this)"></i>
</div>
</body>
</html>
Correcting teacher：天蓬老師Correction time：2019-01-05 14:30:28
Teacher's summary：js函數(shù)中的變量使用有意思的單詞，盡量避免單個(gè)的字母和數(shù)字，這在軟件開發(fā)中叫“魔術(shù)字符或魔術(shù)變量”，在大項(xiàng)目中是大忌