I’m making a countdown timer hours minutes and second but the script I’m running doesn’t display the results I wrote in the js script, can anyone correct my code so that the timer can work? The problem let countdown = new date().getHours() let $hours = document.getElementById(‘hours’); let $minutes = document.getElementById(‘minutes’); let $second = document.getElementById(‘second’); setInterval(function()… Read More why is my js script not displaying timer result?

Not sure if looking at code all day is making me blind, beside my natural ignorance, but I can’t find out why I cannot get the inner look to throw its next item into finalDataset. The intent is to generate a new array with some modifications. Appreciate any help. const arr1 = [ [“Header1”, “Color”,… Read More Beginner Question: Why is this inner for loop not incrementing in JS?

i need to compare array first position with the one in the last position, the second with the second to last one, and so on. using javascript [1, 2, 3, 4, 5, 6] 1 with 6, 2 with 5 and 3 with 4 the real deal i need to compare properties of objects if it… Read More Compare elements of array based on position of elements

I can traverse to reach my target element like this: this.parentElement.parentElement.style.backgroundColor = ‘red’; But why does this not work even though I know for a fact that the second parentElement has the .container class: this.parentElement.parentElement.querySelector(‘.container’).style.backgroundColor = ‘red’; Shouldn’t .querySelector start the search from the current element? Example code: document.querySelectorAll(‘button’).forEach(btn => { btn.addEventListener(‘click’, function(){ //works: //this.parentElement.parentElement.style.backgroundColor… Read More Why can't I use querySelector on a parentElement which I know has the queried class

if I use ( https://jsfiddle.net/fgsvzn4a/ ) : var text = "ui1pu"; var regExParameter = ‘\d+’; var regEx = ‘/(.*)’ + regExParameter + ‘(.*)/gi’; var matches = regEx.exec(text); if(matches && matches[1]) { var str1 = matches[1]; var str2 = matches[2]; var newStr = str1 + str2 console.log(newStr); } i get this error: Paused on exception TypeError:… Read More JavaScript regex.exec() should intended to use an assembled regEx

I have to round down any values to multiples of 1000. Example 1, var myValue = 23452; Math.round(myValue/1000)*1000; 23000 Example 2, var myValue = 22745; Math.round(myValue/1000)*1000; 23000 In above cases example 1 is giving expected round down value as 23000, however example 2, I’m expecting 22000 how to achieve any values to always round down… Read More Always round down to multiples of 1000

What is the difference in this instance between using the optional chaining with nullish coalescing and or operator when the value it’s undefined? the both seem to be working alike. Which one it’s prefered and why? const api = { entry: undefined } const obj_nullish = { foo: api?.entry ?? ‘Not found’ } const obj_or… Read More Nullish coalescing vs logical OR operator

I am trying to return all of the items in this html list (name and url_. I can console.log and find one item, but my console.log isn’t working to retrieve all of them at once. document.getElementsByClassName(‘vxl-filelink-text’); var sampleX = document.getElementsByClassName(‘vxl-filelink-text’); sampleX[0].innerHTML; sampleX[0].href; //need a for loop to get all this data in the console for… Read More find all the items in the list and console.log them wuth url

constructor() { document.addEventListener("keyup", this.keyStart.bind(this), {once:true}); document.addEventListener("keydown", this.keySpaceHandler.bind(this)); } keySpaceHandler(e) { if (e.keyCode === 32 && missile_count > 0) { …. } } keyStart(e) { if (e.key === "ArrowLeft" || e.key === "ArrowRight") { isGameStart = true; if (isGameStart === true) { … } } } I want keyStart to listen to the event only once… Read More eventlistener once property prevents other eventlistener issue

Question: Sorry if I cant summarize the problem in a nut shell, so I try to explain it in details. I try to construct a object by using a input. However my consolidated results containing only one item, while expecting to have more than one. Q2:In addition to the bug, may I seek for a… Read More The consolidated results containing only one item, while expecting to have more than one