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
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
How do I correctly clone a JavaScript object? - Stack Overflow 2022 update There's a new JS standard called structured cloning It works in many browsers (see Can I Use) const clone = structuredClone(object); Old answer To do this for any object in JavaScript will not be simple or straightforward You will run into the problem of erroneously picking up attributes from the object's prototype that should be left in the prototype and not copied to the new