Useful code snippets

Remove all child divs

while (parentContainer.firstChild) {
    parentContainer.removeChild(parentContainer.lastChild);
};

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Sorting numbers in array properly

Array methods cheatsheet from javascript.info

const arr = [14, -3, 1, 21]

arr.sort( (a, b) => a - b );

console.log(arr) //[-3, 1, 14, 21]

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Toggle class in element on click

btn.addEventListener("click", (e) => {
    if (e.target === e.currentTarget) {
      btn.classList.toggle("clicked")
    }
  })

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Play sound effects in succession without waiting for each to end

if (selectAudio.paused) {
    selectAudio.play();
  } else {
    //so audio can play without waiting for it to reach the end
    selectAudio.currentTime = 0;
}