columns

The columns tag is valid on radio and checkbox questions. It controls how many different vertical columns of answer options ought to display.

Syntax

columns accepts a number, variable, or Perl expression.

# Specific Number
columns: n (where n is a given number)

# Variable
columns: $Qx (where x is a question storing the number of columns to display)

# Perl
columns:  Perl Expression 

Examples

Show three columns

This is a basic example that sets the number of columns to 3.

See demo See code Restart demo

Show as many columns as specified in previous question

This example uses the number entered at Q2 to determine the number of columns shown at Q3.

See demo See code Restart demo

Perl ternary

This example uses Perl ternary syntax to write a conditional statement. The statement can be read as, "If Q4 has a value of '1', use '2' for the number of columns; otherwise, use '4'."

See demo See code Restart demo