#7 : JavaScript Questions Series. #coding #javascript #webdevelopment #codingsimplifiedspace

Expression simplified as below
"5" + "2" = "52"
5 - 2 = 3

Explanation: In the first statement, x is a string (“5”) and y is a number (2). When you use the + operator with a string and a number, JavaScript performs string concatenation: it converts the number to a string and then concatenates the two strings. So “5” and 2 are concatenated to produce the string “52”.

In the second statement, x is still a string (“5”) and y is still a number (2). However, when you use the – operator with a string and a number, JavaScript attempts to convert the string to a number. In this case, “5” can be converted to the number 5, so the expression evaluates to 5 – 2, which is 3.