关于iOS与html交互，隐藏或修改html标签内容

wkwebview

1.隐藏顶部标题栏

[webView evaluateJavaScript:@"document.getElementsByClassName('page-header')[0].style.display='none'" completionHandler:nil];

2. 修改网页背景色

[webView evaluateJavaScript:@"document.getElementsByTagName('body')[0].style.background='#FFFFFF'" completionHandler:nil];

3.底部订单

[webView evaluateJavaScript:@"document.getElementsByClassName('action clearfix db_djx')[0].style.display='none'" completionHandler:nil];

隐藏顶部标题栏UIwebview

[webView stringByEvaluatingJavaScriptFromString:@"document.getElementsByClassName('page-header')[0].style.display='none'"];

[webView stringByEvaluatingJavaScriptFromString:@"document.getElementsByTagName('section')[0].style.paddingTop='0'"];