The problem with alerts is that you end up with a series of popups. Popping up messages with `alert()` A tried and true method to debug JavaScript items, `alert()` will create a popup alert when your code meets a particular condition. Outputting JavaScript debugging messages to the browser ‍One of the easiest ways to debug JavaScript has always been to output data to the browser. Let’s take a look at some of the basic methods you might use to debug JavaScript using these browser tools, and then highlight each major browser and its dev tools in turn. Developer tools in modern web browsersĮvery modern browser has tools available within it to debug code. Depending on your use-case, some tools might be better than others, but all will save you time in the debugging process. This blog post outlines the best tools to help you find, diagnose, and fix problems. Thankfully, due to the plethora of JavaScript debugging tools available, troubleshooting is usually straightforward. If you work with JavaScript, you’ll know that it doesn’t always play nice.

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