Using UIWebview as a Javascript Interpreter

Example.m

JavascriptContext* ctx = [[JavascriptContext alloc] init];
[ctx evaluateJS:@"2+2;"]; //Results in 4
[ctx evalateJS:someScriptStoredInBundle];
[ctx release];

JavascriptContext.h

@interface JavascriptContext : NSObject

- (NSString*)evaluateJS:(NSString*)js;

@end

JavascriptContext.m

@interface JavascriptContext ()
@property (nonatomic,retain) UIWebView* webview;
@end

@implementation JavascriptContext
@synthesize webview = _webview;

- (void)dealloc
{
	[_webview release], _webview = nil;
	[super dealloc];
}

- (id)init
{
	self = [super init];
	self.webview = [[[UIWebView alloc] init] autorelease];
	return self;
}

- (NSString*)evaluateJS:(NSString*)js
{
	return [self.webview stringByEvaluatingJavaScriptFromString:js];
}

@end