In today's blog we will discuss some testing tools of react apps .In general we write code to work, but now a days only writing a code is not enough , it should be less complex and more accurate ,efficient too .   1. ESLINT  :- There are so many formats in which java Scripts code is written now a days by different developer so before developing a project coding styles parameters are being set for the react apps .(here react app means , reactjs and react native) .  example -  function add(x, y){      return x+y ;  }  ES6 syntax -  const add = (x, y) => {      return x+y  }  Both syntax are correct  but setting a parameter is vary important . That's what is done by eslint;  It is also use for the testing of a function :  example -   // App.js  function add(x, y) {      return x+y;  }  2. console.log testing  :-  test :  console.warn(add(1,2) === 3 , "this is a error function");  console.warn(add(1,6) === 7 , "this is a error function");  con...
 
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