JavaScript console.log Hello World

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console.log allows for developers to write log events to certain web browsers. Here we will do a Hello World example using Chrome.

First, create a new html document, and add the code:

console.log("Hello World");

Open the document in Chrome and select F12 to open the developer tools. Go to the Console tab. You will now see the output:

This logging can be useful in troubleshooting code.

You can additionally write commands directly into the console:

Note you can also add additional parameters to console.log and it will print each out with a space in between. For example:

console.log("Hello World", 1, 2, 3);




Carl de Souza is a developer and architect focusing on Microsoft Dynamics 365, Power BI, Azure, and AI.

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