queryselector jquery code example

Example 1: queryselector

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

Example 2: jquery from object to queryselector

$( "#foo" )[ 0 ]; // Equivalent to document.getElementById( "foo" ) or document.querySelector('#foo')

$( "#foo" ).get( 0 ); // Identical to above, only slower.

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: queryselector for jquery

var x = $(".yourclass")[0];
console.log('jq' + x);
var y = document.querySelector(".yourclass");
console.log('js' + y);

Example 5: 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.

Example 6: js queryselector

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

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

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