We would like to know how to filter out NaN value.
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
window.onload=function(){<!-- www . j av a 2 s . c om-->
var nums = [10, "aaa", 44, 16];
var numsLen = nums.length;
var total = 0;
while(numsLen--){
total += (isNaN(parseInt(nums[numsLen], 10)) ? 0 : parseInt(nums[numsLen], 10));
}
console.log(total);
}
</script>
</head>
<body>
</body>
</html>
The code above is rendered as follows: