Answer 1

On a small (touch) screen it might look like it is not increasing by 1 as the slider width is too small to change it precisely: Increase the slider width and maybe decrease the max value to convince yourself that the step-size works.

Answer 2

function rangeSlider() {
document.getElementById("sliderValue").innerHTML = document.getElementById("slider").value;
}

https://code.sololearn.com/W836dGQaFL4x/?ref=app

Answer 3

Put 0.5 in steps

Answer 4

Remember that <input/> is a self-closing tag: no closing </ input> needed!

Answer 5

If you wanna going by 1, so put 1