Truncating text strings

- [Narrator] There are a few different methods…that Axure gives us, that we can use…to truncate text in our prototypes.…The first method, "Substr", has two parameters.…The first parameter is for the starting index,…that's the position of the first character we want,…And the second parameter is for the length,…or the number of characters that we want.…Let's say we had this string with an…email address in it. If we use the substr method,…and pass in 0 for the starting index…and 8 for the length, we would get back…just the part of the string that says…"your name". Note that the string index…always starts at 0, so whenever we want…to start at the beginning of our string,…we'll use 0 for that first parameter.…

Technically, that second parameter is optional.…We can pass in only the only the starting index…if we want, and if we do that, substr will…start at our starting index and then go until…the end of the string, and return everything…after that. We can also pass in a negative number…in as the starting index. If we use a…