Concactenate variable with id jquery

Question

Possible Duplicate:
Convert string to variable name in Javascript

I have different variables (var1, var2, var3,.., to var10). I want to update them using a for loop like this:

for(var i=0; i<10;i++){
 var+i = i+20;
}

To obtain something like this:

var1 = 21;
var2 = 22;
var3 = 23;
...
var10 = 30;

My issue consists I can't concatenate the name of the variable with its id/position. Any suggestions?

score 6 · Answer 1 · edited Feb 04 '13 at 16:54

6

Use Array instead of variables.

arr = []
for(var i=0; i<10;i++){
 arr[i] = i+20;
}

edited Feb 04 '13 at 16:54

Ja͢ck

answered Feb 04 '13 at 16:35

Adil

score 2 · Answer 2 · answered Feb 04 '13 at 16:38

Global variables (if that's what they are) are properties of the window object so you could do something like this:

for(var i=0; i<10;i++){
    window["var"+i] = i+20;
}

Of course, I would recommend you use a different and simpler approach: arrays!

var data = [];
for(var i=0; i<10;i++){
    data[i] = i+20;
}

2 Answers2