compare two strings from a in javascript code example

Example 1: how to compare two strings in javascript if condition

var string1 = "Hello World";
var string2 = "Hello world.";
if (string1 === string2) {
  console.log("Matching strings!");
}
else {
  console.log("Strings do not match");
}

Example 2: javascript compare strings

console.log(NaN===NaN);//false