iOS 更改webView文字颜色丶文字大小丶背景色的方法

    //字体大小

    [webView stringByEvaluatingJavaScriptFromString:@"document.getElementsByTagName(‘body‘)[0].style.webkitTextSizeAdjust= ‘330%‘"];

    //字体颜色

    [webView stringByEvaluatingJavaScriptFromString:@"document.getElementsByTagName(‘body‘)[0].style.webkitTextFillColor= ‘gray‘"];

    //页面背景色

    [webView stringByEvaluatingJavaScriptFromString:@"document.getElementsByTagName(‘body‘)[0].style.background=‘#2E2E2E‘"];