let anyone = ['apple','ball','cat','dog']; const large = new Array(100).fill('ball') console.log(large,'0') function myfunction(paramiter){ let t0=performance.now() for(let i=0; i<paramiter.length; i++){ if(paramiter[i]=='ball'){ console.log("Yeh! I got Ball") } } let t1=performance.now() console.log('time in milisec ', t1-t0) } // myfunction(large)