Recursive thought to get all tab elements of the page (de-weight)

This article to share with the recursive idea to get all the page tag elements of the code, the need for small partners can refer to this code

var tag = [];var search = function ($element, tag) {  var localname = $element [0].localname;  if (!tag.includes (LocalName)) {    Tag.push ($element [0].localname);  }  var children = $element. Children ();  if (Children.length > 0) {    Children.each (function (e) {      Search ($ (this), tag);    });  return tag;}; Tag = Search ($ (' html '), tag); Console.log (tag);

Iterate through all elements using recursion, and finally return an array

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