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- 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 =
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What is the ?: (question mark and colon operator aka conditional or quot;ternary quot;) operator and how can I use it?
- Which equals operator (== vs ===) should be used in JavaScript . . .
I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype value
- How to iterate (keys, values) in JavaScript? - Stack Overflow
A basic doubt here I landed here looking for how to do this in node js, which is javascript on server side How do I know which ES version applies in my case Also, in case of regular javascript users, what is the proper way to support as I understand that ES version depends on the client's browser?
- 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
- date - Get the current year in JavaScript - Stack Overflow
Learn how to get the current year in JavaScript with examples and explanations
- What is the difference between . js and . mjs files?
Node js, a JavaScript runtime environment, used CommonJS as the specification for modules Because so many existing applications were built with CommonJS, when Node js added support for native ES modules, it controversially introduced the MJS file extension to differentiate the two and prevent applications from breaking
- Clearing all cookies with JavaScript - Stack Overflow
How do you delete all the cookies for the current domain using JavaScript?
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