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Detailed graphic and text explanation of JS array deduplication

php中世界最好的语言Original: 2018-04-19 13:51:081638browse

This time I will bring you JSArray Detailed graphic and text explanation of deduplication, what are the precautions for JS array deduplication, the following is a practical case, let’s take a look.

<!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>JS数组去重</title>
<meta http-equiv="Content-Type"content="text/html; charset=utf-8"/>
</head>
<body>
<script>
vararr = [678, 4, 4, 4, 4, 5, 6, 7, 8, 8, 8, 8, 8];
varresult = [];
for(vari = 0; i < arr.length; i++) {
 if(result[arr[i]]) {
}else{
  result[arr[i]] = arr[i];
 }
}
console.log(result);
</script>
</body>
</html>

The running effect diagram is as follows:

Detailed graphic and text explanation of JS array deduplication

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the PHP Chinese website!

Detailed graphic and text explanation of JS array deduplication

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