what is document.queryselector code example

Example 1: queryselector

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

Example 2: js queryselector names

// This selects the first element with that name
document.querySelector('[name="your-selector-name-here"]');

Example 3: queryselector javascript

var element = document.querySelector("#myid .myclass p");

Example 4: js queryselector

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

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

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

Example 5: 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>

Example 6: queryselector

document.querySelector(".example");