/Javascript/React/React load script after render

React load script after render

const loadScript = (url) => new Promise((resolve, reject) => {
  let ready = false;
  if (!document) {
    reject(new Error('Document was not defined'));
  }
  const tag = document.getElementsByTagName('script')[0];
  const script = document.createElement('script');

  script.type = 'text/javascript';
  script.src = url;
  script.async = true;
  script.onreadystatechange = () => {
    if (!ready && (!this.readyState || this.readyState === 'complete')) {
      ready = true;
      resolve(script);
    }
  };
  script.onload = script.onreadystatechange;

  script.onerror = (msg) => {
    console.log(msg);
    reject(new Error('Error loading script.'));
  };

  script.onabort = (msg) => {
    console.log(msg);
    reject(new Error('Script loading aboirted.'));
  };

  if (tag.parentNode != null) {
    tag.parentNode.insertBefore(script, tag);
  }
});


export default loadScript;

Source: stackoverflow.com

Similar codes

0 vote310 views1 answer
React Liked Component
Javascript React
0 vote297 views2 answers
Textarea react native
Javascript React
0 vote281 views1 answer
Import React from 'react'; import {Router, Scene} from 'react-native-router-flux';
Javascript React
0 vote329 views1 answer
Cloudinary react
Javascript React
1 vote302 views3 answers
Sticky footer react
Javascript React
10 votes364 views2 answers
Generate random string react
Javascript React
0 vote279 views2 answers
On ddrop function react dropzone parameters
Javascript React
0 vote290 views1 answer
How to change list item text color in react
Javascript React
0 vote298 views1 answer
Export variables react
Javascript React
4 votes326 views1 answer
React native scrollview horizontal
Javascript React