let getDataOne = (cb) => { setTimeout(function(){ //calling the callback cb('dummy data one') }, 1000); } let getDataTwo = (cb) => { setTimeout(function(){ //calling the callback cb('dummy data two') }, 1000); } //Both these functions mimic the async code with setTimeout. //Once the desired time has elapsed, setTimeout will call the //passed callback cb with value dummy data one and dummy data two, //respectively. Let’s see how we will be calling these two functions //without generators in the first place: getDataOne((data) => console.log("data received",data)) getDataTwo((data) => console.log("data received",data)) //That code will print the following after 1,000 ms: //Result Running data received dummy data one data received dummy data two
Simple Asynchronous Functions

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