What is it that I am missing here so my page switches between these two colors? Thank you ! Answer You’re never changing the value of isBlue, so it’s always false, so you always set white as the background color. Afrer the if/else, invert the flag: E.g.: Side note: “isBlue” seems an odd name for a flag that sets a
Tag: setinterval
countup and countdown loop
I want to count from 3 down to 0 then back up to 3 in a loop. This is kind of “slider” implementation. Everything runs fine until reach the clearInterval from counterry. What am I missing? Answer Use a single loop:
Hold button -> repeat function
I’m trying to achieve something which souldn’t be hard to do, but everything I’ve tried so far hasn’t worked. I have a function that changes a value every time I click a button, and what I want is: when I hold this button, the value should keep changing. This is what I’ve tried and hasn’t worked, setInterval and setTimeout won’t
Wait until setInterval() is done
I would like to add a small dice-rolling effect to my Javascript code. I think a good way is to use the setInterval() method. My idea was the following code (just for testing): Now I would like to wait for the setInterval until it is done. So I added a setTimeout. This code works quite okay. But in my main
How to start and stop/pause setInterval?
I’m trying to pause and then play a setInterval loop. After I have stopped the loop, the “start” button in my attempt doesn’t seem to work : Is there a working way to do this? Answer The reason you’re seeing this specific problem: JSFiddle wraps your code in a function, so start() is not defined in the global scope. Moral
JavaScript setInterval and `this` solution
I need to access this from my setInterval handler How can I access this.prefs in ajax.onload? Answer The setInterval line should look like this:- Edit: The same principle applies to the ” onload “. In this case its common for the “outer” code to do little, it just sets up the request an then sends it. In this case the
How to exit from setInterval
I need to exit from a running interval if the conditions are correct: Answer Use clearInterval:
Pass parameters in setInterval function
Please advise how to pass parameters into a function called using setInterval. My example setInterval(funca(10,3), 500); is incorrect. Answer You need to create an anonymous function so the actual function isn’t executed right away.