JSX React HTML5 Input Slider Doesn't Work

Question

I\'m using React.JS for a build, and am building a range input slider with two choices for a component.

this is my code:

Answer 1

Here's a solution for making form of multiple sliders or even one single slider with event handler passed we can simply use HTML input of type Range rc-slider and react-input-range don't sent event handler onChange or onAfterChange they sends the slider's value Implicitly, so we can't handle form of sliders or create them on the fly.

jsfiddle snippet

For more we can check HTML input Range and CSS provided by CSS-Tricks

class SlidersExample extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      slidersLabels: ["A", "B", "C", "D"],
      sumOfCustomWeights: 0,
      slidersWeights: []
    };
  }
  componentDidMount() {
    const slidersLabels = this.state.slidersLabels;
    const slidersWeights = [];
    for (var i = 0; i < slidersLabels.length; ++i)
      slidersWeights[slidersLabels[i]] = 0;
    this.setState({ slidersWeights });
  }

  render() {
    return (
      

        {this.generateSliders()}
         Total Weights: {this.state.sumOfCustomWeights} 
      
    );
  }
  generateSliders() {
    const slidersLabels = this.state.slidersLabels;
    var sliders = [];
    for (var i = 0; i < slidersLabels.length; ++i) {
      sliders.push(
        

          
            {" "}
            {slidersLabels[i]} ({this.state.slidersWeights[slidersLabels[i]]})%
          
          
        
      );
    }
     return sliders;
  }
  handleSliderChange(event) {
    //console.log(event.target.value, " ", event.target.id);
    var id = event.target.id;
    var value = event.target.value;
    const slidersWeights = this.state.slidersWeights;
    slidersWeights[id] = parseInt(value);
    var sumOfCustomWeights = 0;
    const slidersLabels = this.state.slidersLabels;
    for (var i = 0; i < slidersLabels.length; i++)
      sumOfCustomWeights += slidersWeights[slidersLabels[i]];
    this.setState({ slidersWeights, sumOfCustomWeights });
  }
}

ReactDOM.render(, document.querySelector("#app"));

input[type=range] {
  -webkit-appearance: none;
  margin: 18px 0;
  width: 100%;
}
input[type=range]:focus {
  outline: none;
}
input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8.4px;
  cursor: pointer;
  animate: 0.2s;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  background: #3071a9;
  border-radius: 1.3px;
  border: 0.2px solid #010101;
}
input[type=range]::-webkit-slider-thumb {
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 3px;
  background: #ffffff;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -14px;
}
input[type=range]:focus::-webkit-slider-runnable-track {
  background: #367ebd;
}
input[type=range]::-moz-range-track {
  width: 100%;
  height: 8.4px;
  cursor: pointer;
  animate: 0.2s;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  background: #3071a9;
  border-radius: 1.3px;
  border: 0.2px solid #010101;
}
input[type=range]::-moz-range-thumb {
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 3px;
  background: #ffffff;
  cursor: pointer;
}
input[type=range]::-ms-track {
  width: 100%;
  height: 8.4px;
  cursor: pointer;
  animate: 0.2s;
  background: transparent;
  border-color: transparent;
  border-width: 16px 0;
  color: transparent;
}
input[type=range]::-ms-fill-lower {
  background: #2a6495;
  border: 0.2px solid #010101;
  border-radius: 2.6px;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
}
input[type=range]::-ms-fill-upper {
  background: #3071a9;
  border: 0.2px solid #010101;
  border-radius: 2.6px;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
}
input[type=range]::-ms-thumb {
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 3px;
  background: #ffffff;
  cursor: pointer;
}
input[type=range]:focus::-ms-fill-lower {
  background: #3071a9;
}
input[type=range]:focus::-ms-fill-upper {
  background: #367ebd;
}

#app{
  margin-right: 100px;
  margin-left: 100px;
  margin-bottom: 100px;
  }

This solution working perfectly with me ;)

Using CodeSandbox