How to simplify a set of vars?
var q1 = 0;
var q2 = 0;
var q3 = 0;
var q4 = 0;
var q5 = 0;
var q6 = 0;
var q7 = 0;
var q8 = 0;
var q9 = 0;
var q10 = 0;
var counter = 0;
or like this?
var q1 = 0, q2 = 0, q3 = 0, q4 = 0, q5 = 0, q6 = 0, q7 = 0, q8 = 0, q9 = 0, q10 = 0, counter = 0;
Is there any way around?
If you use series variables. The best option is the array
var q=[0,0,0,0,0,0,0,0,0,0] , counter=0;
Please check answers in this post:
How do i declare and use dynamic variables in javascript?
for(var i=1;i<=10;i++) {window['q' + i] = 0};
var counter =0;
Try the following code:
for (var q = 1; q<10; q++)
{
// do what you want
//ie.
// counter = counter + q;
}
Probably simplest is
var q1 = q2 = q3 = q4 = q5 = q6 = q7 = q8 = q9 = q10 = counter = 0;
Having those many variables might land you to further problems.
Better you have an array with all these values. Cause to refer them you have to name them each time =. But with arrays you can have a opportunity to loop them and access them with index.
var declarations for any of the variable names beyond q1.
q1 is not a variable; all are added to the global scope (e.g. added directly to window) in permissive JS environments. The code is an error in strict mode for that reason.
var q=[0,0,0,0,0,0,0,0,0,0]q1throughq10all instances of essentially the same thing? If so, you should definitely use an array. Here's a simple example: suppose you have a carton of 12 eggs, and you need to write some code that deals with each egg in some way. Would it make sense to have twelve individual unrelated variablesegg1throughegg12? Or would it be better to be able to deal with each egg just like the others? It's probably the latter, so an array is what you're looking for.