JS implementation of hidden sibling elements only display JS file content method _javascript Tips

This article describes the JS implementation of the hidden sibling elements, only the content of the JS file display method. Share to everyone for your reference, specific as follows:

The demo.html file here will briefly display the elements of the same level as the JS file after it is opened, and display the contents of the Demo.js file at the same level. The specific code is as follows:

Demo.html:

<! DOCTYPE html>
 
 

Demo.js:

Document.writeln ("<div id=\" contsononly\ ">");
Document.writeln ("<p> Content contents Contents Content </p>");
Document.writeln ("</div>");
Window.onload=function () {
 var Contsononly=document.getelementbyid ("Contsononly");
 var Contparent=contsononly.parentnode;
 var Contsonlist=contparent.children;
 for (Var i=0;i<contsonlist.length;i++) {
  if (contsonlist[i]!=contsononly) {
   Contsonlist[i].style.display = ' None ';}}

The effect chart is as follows:

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I hope this article will help you with JavaScript programming.