With the exception of the number of elements returned, everything I described aboutquerySelectorabove applies toquerySelectorAllas well. That important detail changes how you end up actually using thequerySelectorAllfunction. What gets returned is not a single element. Instead, what gets returned...
Why not a true "inverse"querySelector? A true inverse ofquerySelector(finding the selector for a given element) is significantly more complex. It would involve: Traversing the DOM tree up to the root. Considering all possible CSS selectors (tags, classes, IDs, attributes, combinations, pseudo...
querySelector method is a method in JavaScript which is mostly related to the element interface specifically used for finding the very first element from the descendant of any parent element if exists further to the method which then gets a provocation to match any other CSS selector from a gr...
Finding the first element matching a class In this example, the first element in the document with the class "myclass" is returned: varel=document.querySelector(".myclass"); A more complex selector Selectors can also be really powerful, as demonstrated in the following example. Here, the ...
Finding the first element matching a class In this example, the first element in the document with the class "myclass" is returned: var el = document.querySelector(".myclass"); A more complex selector Selectors can also be really powerful, as demonstrated in the following example. Here, ...