备忘下
-(void)webView:(WKWebView*)webView didFinishNavigation:(WKNavigation*)navigation{
NSString*injectionJSString=@"var script = document.createElement('meta');"
"script.name = 'viewport';"
"script.content=\"width=device-width, user-scalable=no\";"
"document.getElementsByTagName('head')[0].appendChild(script);";
[webView evaluateJavaScript:injectionJSString completionHandler:nil];
}
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