metamask-extension/ui/app/components/customize-gas-modal/gas-slider.js

const Component = require('react').Component
const h = require('react-hyperscript')
const inherits = require('util').inherits

module.exports = GasSlider

inherits(GasSlider, Component)
function GasSlider () {
  Component.call(this)
}

GasSlider.prototype.render = function () {
  const {
    memo,
    identities,
    onChange,
    unitLabel,
    value,
    id,
    step,
    max,
    min,
  } = this.props

  return h('div.gas-slider', [

    h('input.gas-slider__input', {
      type: 'range',
      step,
      max,
      min,
      value,
      id: 'gasSlider',
      onChange: event => onChange(event.target.value),
    }, []),

    h('div.gas-slider__bar', [

      h('div.gas-slider__low'),

      h('div.gas-slider__mid'),

      h('div.gas-slider__high'),

    ]),
    
  ])
    
}