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document.querySelector('selector') : Finds the first matching element.
$0 : In the console, this refers to the element currently selected in the Elements panel. 2. The dom-temple Package Search dom Temple
document.getElementById('id') : Finds a unique element by its ID. document
In web development, the is a tree-like structure that represents an HTML document. You can search for specific "nodes" or elements within this tree using several methods: Search dom Temple