Eval () - MACROMEDIA FLASH 8-FLASH LITE 1.X ACTIONSCRIPT LANGUAGE Reference

eval ()

Availability
Flash Lite 1.0.
Usage
eval(expression)
Operands
A string containing the name of a variable, property, object, or movie clip
expression
to retrieve.
Description
Function; accesses variables, properties, objects, or movie clips by name. If is a
expression
variable or a property, the value of the variable or property is returned. If is an
expression
object or movie clip, a reference to the object or movie clip is returned. If the element named
in cannot be found, is returned.
expression undefined
You can use to simulate arrays, or to dynamically set and retrieve the value of
eval()
a variable.
Example
The following example uses to determine the value of the expression .
eval() "piece" + x
Because the result is a variable name, , returns the value of the variable and
piece3 eval()
assigns it to :
y
piece3 = "dangerous";
x = 3;
y = eval("piece" add x);
trace(y);// Output: dangerous.
The following example demonstrates how an array could be simulated:
name1 = "mike";
name2 = "debbie";
name3 = "logan";
for(i = 1; i <= 3; i++) {
trace (eval("name" add i));// Output: mike, debbie, logan
}
14 Flash Lite Global Functions