why '+' act like a parse and what is the difference ???

Question

+"10.1" + +"32.3"

vs

parseFloat("10.1") + parseFloat("32.3")

both statement will produce the same result 42.4

using this statement:

+"10.1" + +"32.3"

why '+' act like a parse and what is the difference ???

Answer 1

"+" is used for concatenation, i.e bringing two or more strings or vars together..
While
"parse" is used to convert something to a particular datatype...
E.g parseFloat("10.1")
You've just converted 10.1 to a float datatype..

Answer 2

I think you getting it mixed up, let's have your code example

Answer 3

ill tried using this statement:

+"10.1" + +"32.3"
result would be 42.4

why '+' act like a parse and what is the difference???