如题 还请大神指点指点 谢谢
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>找到合适的值</title>
<script>
window.onload = function (){
var arr = [ '100px', 'abc'-6, [], -98765, 34, -2, 0, '300', , function(){alert(1);}, null, document, [], true, '200px'-30,'23.45元', 5, Number('abc'), function(){ alert(3); }, 'xyz'-90 ];
/*
1、找到arr里所有的数字:-98765, 34, -2, 0, 5
2、找到可以转成数字的:'100px', -98765, 34, -2, 0, '300', '23.45元', 5
3、把转成数字以后,最大值判断出来:300
4、把 NaN 所在的位置找出来:1 14 17 19
*/
var num = '';
for (var i = 0; i < arr.length; i++) {
if(parseInt(arr[i])==arr[i]){
document.write(arr[i]+' ');
}
}
</script>
</head>
<body>
</body>
</html>