toDouble

This function is used by Ignition's Expression language..

Description

Tries to coerce value into a double (64-bit floating point value). If value is a number, the conversion is direct. If value is a string, it is parsed to see if it represents a double. If not, type casting fails.

Syntax

toDouble(value[, failover])

• Parameters

  • object value - The value to type cast.

  • object failover - Optional. The failover value if type casting fails.

• Results

  • Double - The value type cast as a double.

Examples

Code Snippet

toDouble("38.772") //returns 38.772

Code Snippet

toDouble({Root Container.TextField.text}, 0.0) //returns the value in the text box as a double, or 0.0 if the value doesn't represent an number.