javascript document.querySelectorAll code example

Example 1: js foreach querySelectorAll

const allSpanElements = document.querySelectorAll('span');

allSpanElements.forEach((spanElement) => {
  	// Here comes the Code that should be executed on every Element, e.g.
	spanElement.innerHTML = "This Content will appear on every span Element now";
});

Example 2: js queryselectorall

var container = document.querySelector("#test");
var matches = container.querySelectorAll("div.highlighted > p");

Example 3: javascript queryselector

//Pretend there is a <p> with class "example"
const myParagraph = document.querySelector('.example');
//You can do many this with is
myParagraph.textContent = 'This is my new text';

Example 4: js queryselectorall

var matches = document.querySelectorAll("p");

Example 5: javascript queryselectorall

<article class="article first">
  <div class="wrapper"> 
    <div class="oferts"> 
      <div class="pro"></div> 
      <h1>This is the Pro Version</h1>  
    </div>
    <div class="oferts"> 
      <div class="normal"></div> 
      <h1>This is the normal Version</h1>  
    </div>
  </div>
</article>


<!-- You will get a NodeList as Output -->
<!-- Try to do : console.log(typeof(oferts)) And you will see the type-->
<script>
var articleFirst = document.querySelectorAll("article.first");
console.log(articleFirst)
var oferts = articleFirst[0].querySelectorAll(".oferts");
console.log(oferts)
</script>

Example 6: document.queryselectorall extract all href element

[].forEach.call( document.querySelectorAll('img.PinImageImg'), 
function  fn(elem){ 
    console.log(elem.src);
});