A react component that randomly choose a word and displays it in a sentence from a provided array of strings.

Toggler.js

import React, { Component } from 'react';

class Toggler extends Component {
    constructor(props) {
      super(props);
        this.state = {
          do: 'Change default value'
        };
    }


    tick() {
        console.log(this.props.list)
        const { list } = this.props
        var item = list[Math.floor(Math.random()*list.length)];

        this.setState({
            do: item,
        });
    }

    componentDidMount() {
      const { seconds } = this.props
      this.interval = setInterval(() => this.tick(), seconds*1000);
    }

    componentWillUnmount() {
      clearInterval(this.interval);
    }

    render() {
      return (
        <div>
            I'm a <code>{this.state.do}</code> developer. 
        </div>
      );
    }
  }

  export default Toggler;

const {list, seconds} = this.props