Overview
In JavaScript, a string is just a series of characters. Strings can include both text and numbers and are always contained within single or double quotes. You can use strings to define calculations and conditions within your form.
Example:
var x = "FastField";
How it Works
You can add strings together. However, if there is at least one string, it will concatenate (combine side by side) as opposed to mathematically adding them.
Example:
var x = "FastField_"; var y = 'Mobile_Forms'; return x + y; FastField_Mobile_Forms
As we mentioned before, numbers can be strings too, but they do not function as they normally would when put in quotations.
Example:
var x = "123"; var y = '456'; return x + y; 123456
You can also find the length of any text using the built-in .length property.
Example:
var x = "FastField"; var y = x.length; return y;
For more information about strings, you can read this article: