JavaScriptCore

JavaScript 和OC原生交互

<br />- (void)ocCallJSFunction{
JSContext context = [[JSContext alloc]init];
JSValue jsValue = [context evaluateScript:@"21+7"];
int iVal = [jsValue toInt32];
NSLog(@"js value=%@,int=%d",jsValue, iVal);
[context evaluateScript:@"var arr = [21, 7, 'fanyiqing.com'];"];
JSValue jsArr = context[@"arr"];
NSLog(@"JS Array:%@ length:%@",jsArr,jsArr[@"length"]);
jsArr[1] = @"blog";
jsArr[7] = @7;
NSLog(@"JS Array:%@, length:%d",jsArr,[jsArr[@"length"] toInt32]);
NSArray nsarray = [jsArr toArray];
NSLog(@"nsarray:%@",nsarray);
}