Finds the first descendant element of this element that matches the specified group of selectors.
Finds the first descendant element of this element that matches the specified group of selectors.
selectors should be a string using CSS selector syntax.
// Gets the first descendant with the class 'classname'
var element = element.querySelector('.className');
// Gets the element with id 'id'
var element = element.querySelector('#id');
// Gets the first descendant [ImageElement]
var img = element.querySelector('img');
For details about CSS selector syntax, see the CSS selector specification.