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JS,数组小练习

var arr = [4, 0, 7, 9, 0, 0, 2, 6, 0, 3, 1, 0];
要求将数组中的0项去掉,将不为0的值存入一个新的数组,生成新的数组

<style>p.p1 { margin: 0.0px 0.0px 0.0px 0.0px; font: 31.0px Consolas; color: #2b7ec3 } p.p2 { margin: 0.0px 0.0px 0.0px 0.0px; font: 31.0px Consolas; min-height: 36.0px } p.p3 { margin: 0.0px 0.0px 0.0px 0.0px; font: 31.0px Consolas; color: #289c97 } span.s1 { color: #4f5d66 } span.s2 { color: #d74200 } span.s3 { color: #48565d } span.s4 { color: #289c97 } span.s5 { color: #2b7ec3 } span.Apple-tab-span { white-space: pre }</style>

<!doctype html>

<html lang="en">

 

<head>

<meta charset="UTF-8" />

<title></title>

</head>

 

<body>

 

</body>

<script type="text/javascript">

var arr = [4, 0, 7, 9, 0, 0, 2, 6, 0, 3, 1, 0];

var pp = [];
for(var i = 0; i < arr.length; i++) {
if(arr[i] != 0) {
pp.push(arr[i]);

}

}
document.write(pp);

<style>p.p1 { margin: 0.0px 0.0px 0.0px 0.0px; font: 31.0px Consolas; color: #2b7ec3 } p.p2 { margin: 0.0px 0.0px 0.0px 0.0px; font: 31.0px Consolas; min-height: 36.0px } span.s1 { color: #4f5d66 }</style>

</script>

 

</html>

JS,数组小练习