why this gives 's as output?

Question

var str = '\' ' +'s'
console.log(str)
//output is 's

Answer 1

You might ask why \ was not in output?
It's because \ is a special character used to escape some characters, when \ escapes any character, it will not be printed. If you want to print \, you need to escape it's self by another blackslash, \\