javascript document.queryselector” Code Answer’s
The querySelector() technique which give back the first element that is same as the CSS selector.QuerySelectorAll() have the ability to give back all the matchesThe querySelector in the JavaScript technique which plays an important character in searching of elements.Now we can say that the element technique plays an important role to give back the first element in the document..
js queryselector names
on Jan 01, 1970
// This selects the first element with that name
document.querySelector('[name="your-selector-name-here"]');0
javascript queryselector
on Jan 01, 1970
//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';0
dom queryselector
on Jan 01, 1970
// TO select all the h1 from Html
document.querySelectorAll("h1")
//To select h1 from a particular class or id
document.querySelector(".className/#id h1")0
document.queryselector
on Jan 01, 1970
<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>0
javascript queryselector
on Jan 01, 1970
document.querySelector('html').onclick = function() {};0
The .querySelector() Method
on Jan 01, 1970
// Select the first <div>
const firstDiv = document.querySelector('div');
// Select the first .button element inside .main-navigation
const navMenu = document.getElementById('main-navigation');
const firstButtonChild = navMenu.querySelector('.button');0
Hope so you have got your answer.Please let us inform about your valuable suggestions in the comment box.
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