![]() ![]() We may also use CSS code to modify the background color. In this case, we utilized the arrow function with the "id" parameter. To add functionality to a web page, JavaScript code is employed. The Document.querySelectorAll(), getElementById(), and Document.querySelector(),is only accessible on the global document object. The default value of these background property is transparent. Style.backgroundColor property is used to change the element color, and it returns the string value which represents the background color. We can add numerous event handlers to an element without overwriting the current ones. An event listener is a JavaScript process that waits for an occurrence to take place.The addEventListener() method is a JavaScript constructor function. Events can be produced by users or through APIs. A web page replies to an event that has happened. Events are thought to be a necessary component of JavaScript. It has no effect on the current event handlers. The addEventListener() function is employed to associate an event handler with a specific element. Because element IDs must be unique if supplied, they're a convenient method to rapidly retrieve a single element. GetElementById() produces an object of element which represents the element whose id attribute matches the provided string. This will happen when we remove our mouse pointer from the element. As a result, we have also used the mouseout event. We also want to restore the color to blue after removing our mouse from the element. The mouseover event is used in the JavaScript code to change the color of background to an elements of HTML. ![]()
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