queryselector js code example

Example 1: queryselector

var el = document.querySelector(".myclass");

Example 2: js queryselector names

// This selects the first element with that name
document.querySelector('[name="your-selector-name-here"]');

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: 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 5: queryselector javascript

var element = document.querySelector("#myid .myclass p");

Example 6: js queryselector

const content = document.querySelector('.content');

const towns = ['Helsinki', 'Espoo', 'Vantaa'];

towns.forEach(city => {
    content.innerHTML += `<p>${city}</p>`;
});