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:
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!
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