get individual characters in a text box.

Another beginner question.  I am writing a script that verifies that the number of wine (num series) of a vehicle is correct.  I need to access each of the 17 character entered in a text box.  I would like to be able to count the tank enter (right now it is limited to 17) and I need to multiply each tank by different numbers to check against the check digit of the VIN.  I think my problem is that I can not get the value of the field recognized as a string or a series of tank.  I get an error of syntax on line 5, when I add *: string * line.  If I don't then it does not recognize the *. charAt() * function in line 6.  Do I need to add a header or something?

Also is a question, there a way to search the post before just to Acrobat Scripting debate?  When I do a search, it seems search all the forums and can't find what I want.

var Val = 0;

var theChar = ' ';

Dally var = this.getField ("wine");

var theString:string = theVin.value;

theChar = theString.charAt (0);

Val = value (theChar);

Val = Val * 8;

this.getField("checkVin").value = Val;

This can be a little difficult, because you have to deal with the strings and numbers. JavaScript has a few traps in this regard.

The first thing to change is the line

var theString.string = theVin.value

This line of code does not much sense in Acrobat JavaScript. You can, however, change it to

var theString = theVin.valueAsString;

This moment should ensure that you have a string in the variable.

Having a string, you can treat it as an array, which means that you can solve each character via an index number, corresponding to his position. The result is still a string.

Assuming you have all the numbers, you can change the strings to the number multiplying by 1 and do the calculation of your need.

And who should do it.

I hope this can help.

Max Wyss.

Tags: Acrobat

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