I want to change the text color of a button when I click on it using a function. so I made a function for it which does not work. code: function correct(x) { document.getElementById("x").style.color = "green"; } function wrong(y) {…
function langPicker(buttonid) { animationForwarder('sectionlang1', 'sectionlang2', 'anim-switchByFadeIn-lang', 100) setTimeout(langTextChange, 625, buttonid); } function langTextChange(buttonid) { const subject1 = document.getElementById('sectionlang1'); const subject2 = document.getElementById('sectionlang2'); if (buttonid == 'cpp') { subject1.textContent = 'C++'; subject2.textContent = 'C++ is one of the most renowned programming…
I want to understand better the mechanics of values inside objects created with funcitons. let createCounter = function(init) { let ans = init return { increment(){return ++ans}, decrement(){return --ans}, reset(){return ans = init}, ans, } }; myob1=createCounter(3) myob2=createCounter(10) console.log(myob1.increment()) //…
I have this function. It works fine. Is there a way to shorten the logic though? function doNotDuplicateRandomIndex() { if (randomIndex === 0 || randomIndex === 1 || randomIndex === 2 || randomIndex ===3) { createRandomIndex(); } } I haven't…
I'm trying to use the return value of my function as arguments for my function, however the fact that it's a tuple is being problematic. This is further compounded by the fact that it will not always be a tuple.…
I seem to not be to pass all the tests: function profileActivation(profile, reason) { if (reason === "confirm status manually") { profile.active = true; } if (profile.active) { if (profile.reason) { return "confirm status manually"; } else { delete profile.reason;…
I'd like to pull all the names of fields from a submitted form, and create variables from them automatically. Not much of a problem as my code1 below shows. BUT I'd now like to put the code in a function…
const myFunc = (callbackFunc) => { let value = 50; callbackFunc(value) }; myFunc(value => { console.log(value) }) I do not understand how and why this block of code runs, my main issue is with the 'callbackFunc' parameter which has been…
Given an array of integers arr and a target sum target, find all pairs of distinct integers that add up to the target sum. Return an array of arrays containing these pairs sorted in ascending order. If there are no…
I want data in a widget to be updated by calling setState() in the widget from another file which retrieves the updated data from a database (Please note that the displayed code is heavily reduced to only display my problem).…