Ti.tokyo.GIG 2012, Ryutaro Miyashita Lightning Talk.

1. Titanium Mobile
! !
@ryugoo_
http://imthinker.net/

2. Titanium Mobile
JavaScript

3. JavaScript
Prototype

4. Function

5. function
hoge()
{}
var
hoge
=
function()
{};
var
hoge
=
new
Function();

6. //
Application
Namespace
var
jsTest
=
{
exec
:
function()
{
//
Start
Time
var
startTime
=
(new
Date).getTime();
//
Craete
Function
for(var
i
=
0;
i
<
10000000;
i++)
{
//
DEFINE
FUNCTION
}
//
End
Time
var
endTime
=
(new
Date).getTime();
alert(endTime
-­‐
startTime);
}
};
//
Execute
jsTest.exec();

7. Titanium Mobile [ms]
iOS 111 1084 40787
1089 11172 Unknown
Safari Mobile [ms]
iOS 125 922 Unknown
182 9631 Unknown

8. Function Declaration
!!

9. ECMA-262
ECMA

10. if(true)
{
//
Noooooooooo!!!!
function
hoge()
{}
//
Excellent!!!!
var
hoge
=
function()
{};
}

11. JavaScript 1.5
JavaScript 1.5+

12. Function Expression Statements

13. Enjoy Titanium Life !
Ti !