bulb in JavaScript

JavaScript Can Change HTML Attribute Values

The Light Bulb

  

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JavaScript Can Change HTML Styles (CSS)

Changing the style of an HTML element, is a variant of changing an HTML attribute:

Example

document.getElementById("demo").style.fontSize = "35px";

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JavaScript Can Hide HTML Elements

Example

Hiding HTML elements can be done by changing the displays style:

document.getElementById("demo").style.display = "none";

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JavaScript Can Show HTML Elements

Example

Showing hidden HTML elements can also be done by changing the display style:

document.getElementById("demo").style.display = "block";

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