![]() ![]() Error: Permission denied to access property "x".Enumerability and ownership of properties.You can learn about more CSS selectors by using this CSS selectors cheatsheet. Difference between querySelectorAll and getElementsB圜lassName.Conversion of HTMLCollection and NodeList into an array.Two methods of getting DOM elements by class names.That's it! So, in a nutshell, you learned about: Just pass the array-like collection or node list through this method, and it will return a new array with the capability to use array methods. The most useful array method to convert DOM HTMLCollection or NodeList into an array is om() For selecting the class, you must use a period or dot before the class name.Ĭonvert HTMLCollection or NodeList into an array.You can use some array methods but still need to convert it into an actual array so you can access all methods.It returns the NodeList of the document nodes.You can not directly use any array method until you convert it into an actual array.īelow are some quick notes for querySelectorAll:.You can access the elements using an index and check the number of items inside it with the length method.It returns the live HTMLCollection of document elements.getElementsB圜lassNameīelow are some quick notes for getElementsB圜lassName: You can select all the primary links by using getElementsB圜lassName or querySelectorAll. So, when someone clicks on those specific links, it should redirect the user to a specific URL. Let's say you have ten primary links all over your HTML document with the class name link-primary, and you want to change the behavior of all the primary links. ![]() I'm going to share the examples with you. There are two popular and commonly used ways to get elements by class name in JavaScript.
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