IOS: Calculating the content height of UIWebView

First HTML file content

index.html
Loading HTML files
-(void) viewdidload{    [Super Viewdidload];    Additional setup after loading the view, typically from a nib.        NSBundle *mainbundle = [NSBundle mainbundle];    Nsurl *indexfileurl = [mainbundle urlforresource:@ "index" withextension:@ "html"];    [Self.webview loadrequest:[nsurlrequest requestwithurl:indexfileurl];}
Calculate the actual height after WebView display content
Two methods, Method 1 can get the actual height of the content, method 2 Get the content display complete after the WebView size (including uiedgeinsets)
-(void) Webviewdidfinishload: (UIWebView *) wb{    //Method 1    cgfloat documentwidth = [WB stringbyevaluatingjavascriptfromstring:@ "document.getElementById (' content '). offsetwidth"] floatvalue];    CGFloat documentheight = [WB stringbyevaluatingjavascriptfromstring:@ "document.getElementById (\" content\ "). offsetheight; "] Floatvalue];    NSLog (@ "DocumentSize = {%f,%f}", Documentwidth, documentheight);        Method 2    CGRect frame = wb.frame;    Frame.size.width = 768;    Frame.size.height = 1;//    wb.scrollView.scrollEnabled = NO;    Wb.frame = frame;        Frame.size.height = wb.scrollView.contentSize.height;        NSLog (@ "frame =%@", [Nsvalue valuewithcgrect:frame]);    Wb.frame = frame;}
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IOS: Calculating the content height of UIWebView