Number-constant at the beginning of the comparison?

Question

Programming

From time to time I come across a style of code (js mostly) that puts a constant number first in comparison constructs, for example:

if ( 5 == var ){
  // операции
}

Does this have a sacred meaning?

Answer 1

The point is that if you write '=' instead of '==', then the option

if ( var  = 5){
  // операции
}

will silently work, but not at all as we would like

Answer 2

This is called yoda style
https://habrahabr.ru/post/111432/
I constantly use it with strings
if someVar is null, then there will be no exception

Answer 3

when comparing equality/not equality, no