JSFiddle - React, Tailwind, and code Playground

by Sudheer Nunna

JavaScript

// Installed npm packages: jquery underscore request express
// jade shelljs passport http sys lodash async mocha chai sinon
// sinon-chai moment connect validator restify ejs ws co when
// helmet wrench brain mustache should backbone forever debug jsdom

var y = 1;
  if (function f(){}) {
    y += typeof f;
  }
  console.log(y);

---------------$

var output = (function(x){
    delete x;
    return x;
  })(0);
  console.log(output);

------------------
  
var arrayList =  ['a','b','c','d','e','f'];


arrayList=[];
arrayList.length=0;
arrayList.splice(0,arrayList.length)

--------------------$

var x = 1;
var output = (function(){
    delete x;
    return x;
  })();
 console.log(output);
----------------$
var trees = ["redwood","bay","cedar","oak","maple"];
delete trees[3];

trees.splice(0,1);
--------------
  
  var bar = true;
console.log(bar + 0);   
console.log(bar + "xyz");  
console.log(bar + true);  
console.log(bar + false);   
------------$

var z = 1, y = z = typeof y;
console.log(y); 

-------------$
bar();

var foo = function(){ 
    // Some code
}; 
 foo();

function bar(){ 
    // Some code
}; 

------------------
  
  var dog = new Animal();
dog instanceof Animal 


-----------------

var list = readHugeList();

var nextListItem = function() {
    var item = list.pop();

    if (item) {
        // process the list item...
        setTimeout(nextListItem(),1);
    }
};



--------------------
  
  var arr1 = "john".split('');
['j','o','h','n']
var arr2 = arr1.reverse();
['n','h','o','j']
var arr3 = "jones".split('');
['j','o','h','n','s']
arr2.push(arr3);
console.log("array 1: length=" + arr1.length + " last=" + arr1.slice(-1));
console.log("array 2: length=" + arr2.length + " last=" + arr2.slice(-1));