var dummy = document.createElement('div')
dummy.innerHTML = 'dummy'

var wRange = document.createElement('div')
wRange.setAttribute('id', 'range')
wRange.classList.add('cntr')

$("#range").slider({
  range: "min",
  min: 0,
  max: 999,
  value: 50,
  slide: function(e, ui) {
    return $(".ui-slider-handle").html(ui.value)
  }
})

$(".ui-slider-handle").html("50")

document.body.appendChild(dummy)
document.body.appendChild(wRange)