作为工具人的我,昨晚有人问我用js怎么删除一个列表中等于0的元素
一开始我想的是用循环,后来百度发现有个东西叫做filter
代码语言:javascript复制<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>删除0</title>
</head>
<body>
<div class="main">
输入数组:<input type="text" class="arr" value="0, 0, 0, 1, 20, 0, 0, 3, 4, 5, 0">
<button class="del">处理</button> <br>处理结果:
<input class="result" disabled></h1>
</div>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script>
function clearNumber(arr) {
return arr.filter(item => item != 0)
}
$('.del').click(function name() {
var array = [];
var arr = $('.arr').val().split(',');
for (var i = 0; i < arr.length; i ) {
array.push(parseFloat(arr[i]));
}
$('.result').val(clearNumber(array))
})
</script>
</body>
</html>
输入数组: 处理结果: