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Showing content from https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/int.html below:

Adobe ActionScript® 3 (AS3 ) API Reference

Language Version:  ActionScript 3.0 Runtime Versions:  AIR 1.0, Flash Player 9, Flash Lite 4

The int class lets you work with the data type representing a 32-bit signed integer. The range of values represented by the int class is -2,147,483,648 (-2^31) to 2,147,483,647 (2^31-1).

The constant properties of the int class, MAX_VALUE and MIN_VALUE, are static, which means that you don't need an object to use them, so you don't need to use the constructor. The methods, however, are not static, which means that you do need an object to use them. You can create an int object by using the int class constructor or by declaring a variable of type int and assigning the variable a literal value.

The int data type is useful for loop counters and other situations where a floating point number is not needed, and is similar to the int data type in Java and C++. The default value of a variable typed as int is 0

If you are working with numbers that exceed int.MAX_VALUE, consider using Number.

The following example calls the toString() method of the int class, which returns the string 1234:

 var myint:int = 1234;
 myint.toString();
 

The following example assigns the value of the MIN_VALUE property to a variable declared without the use of the constructor:

 var smallest:int = int.MIN_VALUE;
 

View the examples


Public Properties

  Property Defined By   constructor : Object

A reference to the class object or constructor function for a given object instance.

Object

Public Constants

  Constant Defined By     MAX_VALUE : int = 2147483647

[static] The largest representable 32-bit signed integer, which is 2,147,483,647.

int     MIN_VALUE : int = -2147483648

[static] The smallest representable 32-bit signed integer, which is -2,147,483,648.

int public function int(num:Object) Language Version:  ActionScript 3.0 Runtime Versions:  AIR 1.0, Flash Player 9, Flash Lite 4

Constructor; creates a new int object. You must use the int constructor when using int.toString() and int.valueOf(). You do not use a constructor when using the properties of an int object. The new int constructor is primarily used as a placeholder. An int object is not the same as the int() function that converts a parameter to a primitive value.

Parameters num:Object — The numeric value of the int object being created or a value to be converted to a number. The default value is 0 if value is not provided.

Related API Elements


Example
How to use this example

The following code constructs new int objects:

	 var n1:int = new int(3.4);
	 var n2:int = new int(-10);
	 
AS3 function toExponential(fractionDigits:uint):String Language Version:  ActionScript 3.0 Runtime Versions:  Flash Player 9, AIR 1.0, Flash Lite 4

Returns a string representation of the number in exponential notation. The string contains one digit before the decimal point and up to 20 digits after the decimal point, as specified by the fractionDigits parameter.

Parameters

fractionDigits:uint — An integer between 0 and 20, inclusive, that represents the desired number of decimal places. Returns
Throws RangeError — Throws an exception if the fractionDigits argument is outside the range 0 to 20.
Example  ( How to use this example )

The following example shows how

toExponential(2)

returns a string in exponential notation.


var num:Number = 315003;
trace(num.toExponential(2)); // 3.15e+5

AS3 function toFixed(fractionDigits:uint):String Language Version:  ActionScript 3.0 Runtime Versions:  Flash Player 9, AIR 1.0, Flash Lite 4

Returns a string representation of the number in fixed-point notation. Fixed-point notation means that the string will contain a specific number of digits after the decimal point, as specified in the fractionDigits parameter. The valid range for the fractionDigits parameter is from 0 to 20. Specifying a value outside this range throws an exception.

Parameters

fractionDigits:uint — An integer between 0 and 20, inclusive, that represents the desired number of decimal places. Returns
Throws RangeError — Throws an exception if the fractionDigits argument is outside the range 0 to 20.
Example  ( How to use this example )

The following example shows how

toFixed(3)

returns a string that rounds to three decimal places.


var num:Number = 7.31343;
trace(num.toFixed(3)); // 7.313


The following example shows how

toFixed(2)

returns a string that adds trailing zeroes.


var num:Number = 4;
trace(num.toFixed(2)); // 4.00
AS3 function toPrecision(precision:uint):String Language Version:  ActionScript 3.0 Runtime Versions:  Flash Player 9, AIR 1.0, Flash Lite 4

Returns a string representation of the number either in exponential notation or in fixed-point notation. The string will contain the number of digits specified in the precision parameter.

Parameters

precision:uint — An integer between 1 and 21, inclusive, that represents the desired number of digits to represent in the resulting string. Returns
Throws RangeError — Throws an exception if the precision argument is outside the range 1 to 21.
Example  ( How to use this example )

The following example shows how

toPrecision(3)

returns a string with only three digits. The string is in fixed-point notation because exponential notation is not required.


var num:Number = 31.570;
trace(num.toPrecision(3)); // 31.6


The following example shows how

toPrecision(3)

returns a string with only three digits. The string is in exponential notation because the resulting number does not contain enough digits for fixed-point notation.


var num:Number = 4000;
trace(num.toPrecision(3)); // 4.00e+3
AS3 function toString(radix:uint):String Language Version:  ActionScript 3.0 Runtime Versions:  AIR 1.0, Flash Player 9, Flash Lite 4

Returns the string representation of an int object.

Parameters

radix:uint — Specifies the numeric base (from 2 to 36) to use for the number-to-string conversion. If you do not specify the radix parameter, the default value is 10. Returns
Example
How to use this example

The following example uses 2 and 8 for the

radix

parameter and returns a string that contains the corresponding representation of the number 9:

	 var myint:int = new int(9);
	 trace(myint.toString(2)); // 1001
	 trace(myint.toString(8)); // 11
	 

The following example results in a hexadecimal value.

	 var r:int = new int(250);
	 var g:int = new int(128);
	 var b:int = new int(114);
	 var rgb:String = "0x"+ r.toString(16)+g.toString(16)+b.toString(16);
	 trace(rgb); // 0xfa8072
	 
AS3 function valueOf():int Language Version:  ActionScript 3.0 Runtime Versions:  AIR 1.0, Flash Player 9, Flash Lite 4

Returns the primitive value of the specified int object.

Returns
Example
How to use this example

The following example results in the primative value of the

numSocks

object.

	 var numSocks:int = new int(2);
	 trace(numSocks.valueOf()); // 2
	 
public static const MAX_VALUE:int = 2147483647 Language Version:  ActionScript 3.0 Runtime Versions:  AIR 1.0, Flash Player 9, Flash Lite 4

The largest representable 32-bit signed integer, which is 2,147,483,647.


Example
How to use this example

The following ActionScript

displays

the largest and smallest representable int objects

to the Output panel

:

	trace("int.MIN_VALUE = "+int.MIN_VALUE);
	trace("int.MAX_VALUE = "+int.MAX_VALUE);
	

This code displays the following values:

	int.MIN_VALUE = -2147483648
	int.MAX_VALUE = 2147483647
	
public static const MIN_VALUE:int = -2147483648 Language Version:  ActionScript 3.0 Runtime Versions:  AIR 1.0, Flash Player 9, Flash Lite 4

The smallest representable 32-bit signed integer, which is -2,147,483,648.


Example
How to use this example

The following ActionScript

displays

the largest and smallest representable int objects

to the Output panel

:

     trace("int.MIN_VALUE = "+int.MIN_VALUE);
     trace("int.MAX_VALUE = "+int.MAX_VALUE);
     

This code displays the following values:

	int.MIN_VALUE = -2147483648
	int.MAX_VALUE = 2147483647
     

The following example uses the

IntExample

class to show how to work with and check the validity of int data types:

  1. Two int variables a and b are declared in the constructor.
  2. The two ints are added using the method addIntegers().
  3. A third int variable c is assigned the outcome of parseInteger(), which checks the validity of the string passed to it to ensure that it is an integer value in the acceptable range for int data types and returns an int equal to the integer value of the string if it is valid.
  4. The int variables a and c are added together using addIntegers().
package {
    import flash.display.Sprite;

    public class IntExample extends Sprite {    
        public function IntExample() {
            var a:int = 512;
            var b:int = -128;
            
            trace(addIntegers(a, b)); // 384

            var c:int = parseInteger("32");
            
            trace(addIntegers(a, c)); // 544
        }
            
        public function addIntegers(a:int, b:int):int {
            return a + b;
        }
        
        public function parseInteger(str:String):int {
            var num:Number = parseInt(str);
            if(!isNaN(num) && num <= int.MAX_VALUE && num >= int.MIN_VALUE) {
                return int(num);
            }
            
            return 0;
        }
        
    }
}

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Thu Dec 6 2018, 01:12 PM -08:00

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