js is undefined or null
var myVar=null;
if(myVar === null){
//I am null;
}
if (typeof myVar === 'undefined'){
//myVar is undefined
}js is undefined or null
var myVar=null;
if(myVar === null){
//I am null;
}
if (typeof myVar === 'undefined'){
//myVar is undefined
}null + undefined
console.log(null === null); // true
console.log(undefined === undefined); // true
console.log(null + undefined === null + undefined); // false
// null + undfined equals NaN, and NaN isn't equal to itself :(Copyright © 2021 Codeinu
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