addElement

by Laurent Dufour

HTML

<div id="app">
	<p>Les textes ciblés</p>
	<p>Les textes ciblés</p>
	<p>Les textes ciblés</p>
</div>

JavaScript

document.body.onload = addElement;

function addElement () {


  var parentDiv = document.getElementById('app'); 
  var currentDivs = document.getElementsByTagName('p');

  for (let currentDiv of currentDivs) {
    var newDiv = document.createElement("div");
    var newContent = document.createTextNode('---Textes rajoutés---');
    newDiv.appendChild(newContent);
	  parentDiv.insertBefore(newDiv, currentDiv);
  }
  
}