what does queryselectorAll returns?
The querySelectorAll() method returns all elements in the document
that matches a specified CSS selector(s), as a static NodeList object.
The NodeList object represents a collection of nodes.
The nodes can be accessed by index numbers.
The index starts at 0.queryselector function in javascript
/*The querySelector() method returns the first element that matches a specified
CSS selector(s) in the document. Note: The querySelector() method only returns
the first element that matches the specified selectors. To return all the
matches, use the querySelectorAll() method instead.*/
// for example
//for class
document.querySelector(".ClassName")
// for id
document.querySelector("#ID")
// etc.js queryselector find without attribute
var test = document.querySelectorAll('input[value][type="checkbox"]:not([value=""])');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>select all elements javascript
var elements = document.getElementsByTagName("*");document.queryselectorall extract all href element
[].forEach.call( document.querySelectorAll('img.PinImageImg'),
function fn(elem){
console.log(elem.src);
});Copyright © 2021 Codeinu
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