} else { var xmlRequest = new ActiveXObject("Microsoft.XMLHTTP"); xmlRequest.onreadystatechange = WebForm_CallbackComplete; __callbackObject.xmlRequest = xmlRequest; __callbackObject.eventCallback = eventCallback; __callbackObject.context = context; __callbackObject.errorCall...
The COM object used here is an old acquaintance of many developers: Copy var xmlRequest = new ActiveXObject("Microsoft.XMLHTTP"); The HTTP verb is GET or POST depending on the size of the data to send. If the size exceeds 2KB, a POST command is used. The HTTP request consists of...
传统浏览器可以使用window.ActiveXObject检查浏览器是否启用相关的控件。...检查浏览器是否启用flash控件,需要先检查浏览器是否支持ActiveXObject,可以使用typeof检查window.ActiveXObject是否等于undefined。...谷歌、火狐、微软Edge、Safari等现代浏览器不支持ActiveXObject,它们支持navigator.plugins检查浏览器插件,因此谷歌、火狐等...
} else { var xmlRequest = new ActiveXObject("Microsoft.XMLHTTP"); xmlRequest.onreadystatechange = WebForm_CallbackComplete; __callbackObject.xmlRequest = xmlRequest; __callbackObject.eventCallback = eventCallback; __callbackObject.context = context; __callbackObject.errorCallback = errorCall...
ActiveXObject('Microsoft.XMLHTTP') is null or not an object Add / Remove Attributes add attribute title to html.actionlink add css to title attribute in select option dropdown Add cssclass to a DropdownList Add Empty Blank Row To JQuery DataTables add footer on every printed page using javas...