前端外刊评论 2018-01-18
var p = document.getElementById('word');
NSString*html =@"var p = document.getElementById('word');"; NSString*html2 =@"p.remove();"; [webViewstringByEvaluatingJavaScriptFromString:html]; [webViewstringByEvaluatingJavaScriptFromString:html2];
NSString*htmlUpdate =@"var change = document.getElementsByClassName('change')[0];" "change.innerHTML = '更改后的值';"; [webViewstringByEvaluatingJavaScriptFromString:htmlUpdate];
//插入操作1
//插入操作2 NSString*htmlInsert =@"var img = document.createElement('img');" "img.src = 'img11.jpg';" "img.width = '200';" "img.height = '200';" "document.body.appendChild(img);"; [webViewstringByEvaluatingJavaScriptFromString:htmlInsert];