A better script to hide and display a large amound of feilds

Question

Hello,

I have 20 fields (check boxes) that can be hidden/visible based upon the value of a textfield (Counter). My script works fine, but, it's really long (161 lines) and there is a slight lag when I press a button that changes the value of the counter. My script is a caculation script attached to a hidden textfield. Is there a better way to write this script? Here is what I have:

var c = this.getField("Counter");
var b1 = this.getField("Blah 1");
var b2 = this.getField("Blah 2");
var b3 = this.getField("Blah 3");

// etc etc. down to 20

if(c.value == "1"){
b1.display = display.visible;
}
else {
b1.display = display.hidden;
}

if(c.value == "2"){
b2.display = display.visible;
}
else {
b2.display = display.hidden;

// etc etc. down to 20

Nesa Nurani · Accepted Answer

You can use this as custom calculation script of "Counter" field:

for(var i=1; i<=20; i++){
if(event.value == i)
this.getField("Blah "+i).display = display.visible;
else
this.getField("Blah "+i).display = display.hidden;}

Bernd Alheit · Answer

You can build the field name. E.g.:this.getField("Blah " + c.value)

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