ios8 - How can I binding an object to JS when using the WKWebview -

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i met problem.

i replaced uiwebview wkwebview ,but how can pass oc object js.

can object conform jscontext protocol？

before

-(void)webviewdidfinishload:(uiwebview *)webview { [self.webview.scrollview.mj_header endrefreshing];

_jscontext = [webview valueforkeypath:@"documentview.webview.mainframe.javascriptcontext"]; _jscontext.exceptionhandler = ^(jscontext *context, jsvalue *exceptionvalue) {     context.exception = exceptionvalue;     nslog(@"%@", exceptionvalue); };  _jscontext[@"token"] = self.token; [self.webview stringbyevaluatingjavascriptfromstring:@"getuser()"];

}

now how can inject token js


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