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JavaScript

Posted by Desmond Dallas
Desmond Dallas
6,985 Points

Please explain

Can some please tell me in simple terms what the # is for?

var userName = id.toUpperCase()+ "#" + lastName.toUpperCase();

3 Answers

Patrik Horváth
Patrik Horváth
11,110 Points
Patrik Horváth
Patrik Horváth
11,110 Points 
var id = "addsxa";
var lastName = "Fero";

var userName = id.toUpperCase() + "#" + lastName.toUpperCase();

so userName will have STRING with will be : "ADDSXA#FERO", you just combine 2 string values also "#" into one and "#"is here because you want somehow know where ID ends and where lastName starts :) because with "ADDSXAFERO" you are unable to tell me where last name starts :)

Desmond Dallas
Desmond Dallas
6,985 Points

Thanks for that. I just don't recall being told about the # in earlier examples. I understand the concept now. Your explanation I take that as granted BUT Would I be wrong to say that the # represents a space between the first and last name, therefore the system formulates (two separate words) a first and last name?

Patrik Horváth
Patrik Horváth
11,110 Points

you can give anything in "#" but "#" is more cooler you know battle.net ? all users have USERNAME#13213 , and why not USERNAME 13213 ? think little bit its easyest to read and its cooler with "#" :smile: and its easyer seachr for 1 string then make from it 2 string and then search 1 string in our database then 2nd string ( this is just example )

Desmond Dallas
Desmond Dallas
6,985 Points
Desmond Dallas
Desmond Dallas
6,985 Points

Lol, that's a bit way over my head. Understood the first sentence but not sure of your meaning when you say search for 1 string in our database then 2nd string. However, the reply is much appreciated and sure I will fully understand at some point.

Jimmy Crandall
Jimmy Crandall
23,120 Points
Jimmy Crandall
Jimmy Crandall
23,120 Points

In this case, the "#" is just another string that is being concatenated (added) to the other two strings.

The "#" has no syntactic meaning in this context. Instead of placing a "#" inside of the string, you could do the same with a space.

var id = "addsxa";
var lastName = "Fero";

var userName = id.toUpperCase() + "#" + lastName.toUpperCase();
return userName; //would return "ADDSXA#FERO"

var userName = id.toUpperCase() + " " + lastName.toUpperCase();
return userName; //would return "ADDSXA FERO"

Computers do exactly what you tell them to do! Concatenation of strings will not add any extra characters like spaces for you. If you were to concatenate the two variables without adding a string between them, the resulting string would be the two smushed together.

var id = "addsxa";
var lastName = "Fero";

var userName = id.toUpperCase() + lastName.toUpperCase();
return userName; //would return "ADDSXAFERO"