How do I use CSS selectors in JavaScript?
An example of an AI chatbot conversation about JavaScript and CSS selectors.
How do I use CSS selectors in JavaScript?
You can use CSS selectors in JavaScript with methods like querySelector and querySelectorAll. For example, document.querySelector('.my-class') selects the first element with the class 'my-class'.
Can you give me an example of using querySelectorAll?
Sure! If you want to select all elements with the class 'my-class', you can use: const elements = document.querySelectorAll('.my-class'); This returns a NodeList of all matching elements.
How can I manipulate the styles of those selected elements?
You can loop through the NodeList and change styles like this: elements.forEach(el => el.style.color = 'red'); This will change the text color of all selected elements to red.
What about using IDs instead of classes?
You can use getElementById for IDs. For example, const element = document.getElementById('my-id'); selects the element with the specified ID.
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