calc

<!DOCTYPE html>
<html>
<head lang="zh-cn">
<meta charset="UTF-8">
<title></title>

</head>
<style>
.display{
text-align:right;
}
</style>
<body>
<div class="calc">
<input type="text" class="display"/>
<button class="num">9</button>
<button class="num">8</button>
<button class="num">7</button>
<button class="num">6</button>
<button class="num">5</button>
<button class="num">4</button>
<button class="num">3</button>
<button class="num">2</button>
<button class="num">1</button>
<button class="num">0</button>

<button class="operator">+</button>
<button class="operator">-</button>
<button class="operator">*</button>
<button class="operator">/</button>
</div>
<script src="js/jquery-1.11.3.js"></script>
<script>
$('.calc').on('click','.num',function(){
var n=$(this).html();
var dis=$('.display').val();
dis+=n;
$('.display').val(dis);
})
</script>
</body>
</html>

posted @ 2017-08-24 23:08  pers  阅读(86)  评论(0)    收藏  举报