queryselector
var el = document.querySelector(".myclass");queryselector
var el = document.querySelector(".myclass");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';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.javascript queryselector
let Element = document.querySelector(".class");javascript dom query selector
const elt = document.querySelector("#myId p.article > a");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>Copyright © 2021 Codeinu
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