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Hour 1. Understanding JavaScript > Browsers and JavaScript

Browsers and JavaScript

Like HTML, JavaScript requires a Web browser in order to be displayed, and different browsers may display it differently. Unlike HTML, the results of browser incompatibility with JavaScript are more drastic: Rather than simply displaying your text incorrectly, the script may not execute at all, may display an error message, or may even crash the browser.

We'll take a quick look at the way different browsers (and different versions of the same browser) treat JavaScript in the following sections.


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