用 Javascript 來編寫 iOS 應用：JavaScriptBridge

JavaScriptBridge 能讓用戶完全或者部分使用 Javascript 來編寫 iOS 應用，是 Cocoa 和 JavaScriptCore 的橋梁。

#import <JavaScriptBridge/JavaScriptBridge.h>
...

// Retrieve the prepared context
JSContext *context = [JSBScriptingSupport globalContext];

// Add framework support if needed.
// ('Foundation', 'UIKit', 'QuartzCore' enabled by default.)
[context addScriptingSupport:@"MapKit"];
[context addScriptingSupport:@"MessageUI"];

// Evaluate script
[context evaluateScript:
 @"var window = UIWindow.new();"
 @"window.frame = UIScreen.mainScreen().bounds;"
 @"window.backgroundColor = UIColor.whiteColor();"
 @"window.makeKeyAndVisible();"
];

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