When should I use ?? (nullish coalescing) vs || (logical OR)? Related to Is there a quot;null coalescing quot; operator in JavaScript? - JavaScript now has a ?? operator which I see in use more frequently Previously most JavaScript code used || let userAge =
How do I include a JavaScript file in another JavaScript file? I have loaded div dynamically by clicking menu without page loading by using URL hash My problem is when i click same page 2 3 times js loading 2 3 times thats why every event occurs multiple time I want to check js file already loaded into footer head before appending in that code: var js = document createElement ("script"); js type = "text javascript"; js src = jsFilePath; document body
javascript - POST Request with Fetch API? - Stack Overflow You'll need to complete a few actions and gain 15 reputation points before being able to upvote Upvoting indicates when questions and answers are useful What's reputation and how do I get it? Instead, you can save this post to reference later
Pad a number with leading zeros in JavaScript - Stack Overflow In JavaScript, I need to have padding For example, if I have the number 9, it will be quot;0009 quot; If I have several say 10, it will be quot;0010 quot; Notice how it will always contain four