Answers for "javascript document.queryselectorall"

9

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";
});
Posted by: Guest on March-02-2021
10

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';
Posted by: Guest on June-08-2020
1

queryselectorall

//To obtain a NodeList of all of the <p> elements in the document:
const matches = document.querySelectorAll("p");

//This example returns a list of all <div> elements within the document with a class of either note or alert:
const matches = document.querySelectorAll("div.note, div.alert");

//Here, we get a list of <p> elements whose immediate parent element is a <div> with the class highlighted and which are located inside a container whose ID is test.
const container = document.querySelector("#test");
const matches = container.querySelectorAll("div.highlighted > p");
Posted by: Guest on July-30-2021
3

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>
Posted by: Guest on November-16-2020
0

document.queryselectorall extract all href element

[].forEach.call( document.querySelectorAll('img.PinImageImg'), 
function  fn(elem){ 
    console.log(elem.src);
});
Posted by: Guest on November-24-2020
2

document.queryselector

<div id="foo\bar"></div>
<div id="foo:bar"></div>

<script>
  console.log('#foo\bar');               // "#fooar" (\b is the backspace control character)
  document.querySelector('#foo\bar');    // Does not match anything

  console.log('#foo\\bar');              // "#foo\bar"
  console.log('#foo\\\\bar');            // "#foo\\bar"
  document.querySelector('#foo\\\\bar'); // Match the first div

  document.querySelector('#foo:bar');    // Does not match anything
  document.querySelector('#foo\\:bar');  // Match the second div
</script>
Posted by: Guest on June-29-2020

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