DEV Community: scothinks The latest articles on DEV Community by scothinks (@scothinks). https://dev.to/scothinks https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F485972%2F6aed4a51-d750-4ef6-8bbe-68157f67e1ef.jpg DEV Community: scothinks https://dev.to/scothinks en In JS how do you know the right condition to use inside your for loop? scothinks Wed, 09 Dec 2020 23:09:03 +0000 https://dev.to/scothinks/in-js-how-do-you-know-the-right-condition-to-use-inside-your-for-loop-4blm https://dev.to/scothinks/in-js-how-do-you-know-the-right-condition-to-use-inside-your-for-loop-4blm <p>I'm new to JavaScript and I've been struggling with iterating with for loops. </p> <p>The early classes were easy to understand when the condition was simply i &lt; 9 or i &gt; 9. </p> <p>The issue I have now is knowing when to use conditions like i &lt; arr.length for example. </p> <p>Many times when I do JS challenges and check the solution for challenges I fail, I see these type of conditions and I don't know why one condition is used instead of another. </p> <p>Can anyone help me out with this, please? </p> javascript