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How to listen callback JS?

I have callback in interface: I tried to catch this callback using this: But I get this error: Expected 0 arguments, but got 1. Answer It’s hard to say for certain without more context, but you’re probably meant to assign to onLoad rather than call it: Typically, a callback is called by the object…

JavaScript countdown timer counting past zero

This might be a really simple thing to ask but I’ve got a JavaScript countdown timer, but I can’t stop it from counting past 0:00. Instead of stopping at this point, it will continue to -1:59 etc. I’d also like it to play a beeping sound (which can be found here) when the timer reaches zero.…

disable click button on submit

I try to update this jquery script in pure js (with bootstrap 5). The goal is to not allow someone to click twice on the payment button. Sorry I am not very strong in js. My goal is to have the same reaction that the jquery script. I tried to follow the process on this page : Disabling a button

print array in method in vue.js

I am very new to vue and I wanted to play around with methods a little. What I wanted to try was printing out an array of Strings and this is the method I tried to use: But I get errors because of i and s. I tried a few things but it always either says I didn’t define or