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Some output mistakes #2

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Some output mistakes #2

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6 changes: 3 additions & 3 deletions 100Questions/100_JS_Que
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Original file line number Diff line number Diff line change
Expand Up @@ -138,7 +138,7 @@ console.log(name()); //Error: name is not a function
//Explaination : Function we are calling but it's not present so it will an error.
--------------------------------------------
const result = false || {} || 20 || null;
console.log(result); //20
console.log(result); //{}
//Explaination : OR operator will find first positive value. Null is a falsy value by default. {} is a positive value. It didn't reach till 20 and null.
--------------------------------------------
const result = null || false || '';
Expand Down Expand Up @@ -181,7 +181,7 @@ function sumValues(x,y,z){
return x+y+z;
}
sumValues(...[2,3,4]) //how to call a function so that output will be 9
//Explaination : we can't do like this sumValues(2,3,4).
//Explaination : we can't do like this sumValues(2,3,4). // we can also call through spread operator
----------------------------------------------------
const name = "priya is a girl.";
console.log(typeof name); //string
Expand Down Expand Up @@ -474,7 +474,7 @@ function sayHi(){
return ()=>0;
}
console.log(typeof sayHi()); //function
console.log(typeof sayHi()()); //function
console.log(typeof sayHi()()); //number
//Explaination : sayHi will return anonymous arrow function/IIFE, where we didn't invole the arroe function so it will return function.
-----------------------------------------------------------------------------
console.log(typeof typeof 1); //string
Expand Down