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//@@ I don’t want to listen to your music when I switch tabs

var track = new Audio('./darkhast.mp3');

function isVisible (e){
		document.title = document.hidden ? 'please come back and enjoy your music' : 'Enjoying!';
		return document.hidden ? track.pause() : track.play();
}
document.addEventListener('visibilitychange',isVisible);

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var array_list = [1,2,3,4,5,3];

Array.prototype.raoEach = function(cb){
	for (i = 0; i < this.length; i++) {
        cb(this[i]);
    }
}

array_list.raoEach(function(a){
	console.log(a+2);

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app.use(function(req, res, next) {
  var allowedOrigins = ['http://127.0.0.1:8020', 'http://localhost:8020', 'http://127.0.0.1:9000', 'http://localhost:9000'];
  var origin = req.headers.origin;
  if(allowedOrigins.indexOf(origin) > -1){
       res.setHeader('Access-Control-Allow-Origin', origin);
  }
  //res.header('Access-Control-Allow-Origin', 'http://127.0.0.1:8020');
  res.header('Access-Control-Allow-Methods', 'GET, OPTIONS');
  res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization');
  res.header('Access-Control-Allow-Credentials', true);

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<button onClick="start()">start</button>
<button onClick="stop()">stop</button>
<button onClick="pause()">pause</button>
<button onClick="play()">play</button>
<span id="status"></span>

let audioChunks = [];
let mediaRecorder;

//Start the recording

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//The compositionstart, compositionupdate and compositionend events might be helpful. They help you detect when IME input is being used.

EVENTS FIRE
When IME is visible :- 
  --> compositionstart, compositionupdate, compositionend, input
When IME closed :-
  --> keydown, input

$('#id').on('compositionupdate', function(e) {
    console.log(e.data);

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function typeChecker(_input){
  if([undefined, null, NaN].includes(_input)){
    return _input;
  }else if(_input === 'true' || _input === 'false'){
  	 return "Boolean";
  }else if(new RegExp(".*[a-zA-Z]+.*").test(_input) || _input === ''){
     return typeof _input;
  }else{
    return Number.isInteger(+_input) ? 'integer' : 'flaot';
  }

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function userProfiler(howMuch){
  return new Array(howMuch).fill().map((data,i)=>{
      return {
       'id' : i,
       'name' : 'dummyUser'+i,
       'Mobile' : Math.floor(Math.random() * 9000000000) + 1000000000,
       'age' : Math.floor(Math.random() * (100-10 + 10) + 1)
      }
  });
}

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var array = [ 
  			    {"name":"dheeraj"},
            {"name":"download"},
            { "name":"code"},
            {"name":"bookbookbookbook"},
             {"name":"book"}
           ];

function getMax() {
 return array.reduce((max, p) => p.name.length > max ? p.name.length : max, array[0].name.length);

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['mousemove', 'touchmove'].forEach(function(e) {
  window.addEventListener(e, mouseMoveHandler);
});

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//Util.js
export function reactBind(data,that){
    return data.forEach((fn) => that[fn] = that[fn].bind(that));
}

//myNewComponet.jsx
import reactBind from './Util.js';

class myNewComponet extends React.Component{
  constructor(props) {