how much is to get po box

Today, I would like to introduce two methods for getting the focus in the text box and losing the focus. For more information, see Text Box loss focus event, get focus event OnBlur: this event is generated when the input focus is lost. OnFocus: this file

This article is mainly on the Js/jquery get text box input focus of the method is introduced, need friends can come to the reference, I hope to help you. Method One, nbsp; nbsp; code as follows: nbsp;function Checkform () {nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; NBSP;IF (document.form1.tr ainingname.value== "") {nbsp; nb

have been contacted before Radiobuttonlinst but not asynchronous refresh, today research a bit, the realization of this JS asynchronous refresh, although the gold content is low, but also a small knowledge point,Recorded so that, after reference,JS Asynchronous flush Get Radiobuttonlinst Select value, upload to text box

In the development, often encounter this situation, open an activity, the first text box automatically get focus, and will pop up the soft keyboard input box, which greatly affect the user experience, now look at the solution.Let's see why this is the case, the reason is ver

timeIntent it2 =NewIntent (); It2.setflags (Intent.flag_activity_single_top); //or Flag_activity_previous_is_topit2.setaction (Android.content.Intent.ACTION_VIEW); Uri Path=uri.fromfile (file); It2.setdataandtype (Path,"application/vnd.android.package-archive"); Context.startactivityforresult (it2, Requestcode);}Add protected void Onactivityresult (int requestcode, int resultcode, Intent data) to Mainactivityprotected voidOnactivityresult (intRequestcode,intResultCode, Intent data) {String S

1. View note Set to final type such as Final view layout= ...2, Get the text box object when the format EditText e = (EditText) Layout.findviewbyid (r.id);//Here's the layout. The final View objectYou can't get the text in the dialog box without paying attention to it!private void Getwifiinfo () {TODO auto-generated Me

Use jquery to get the value of the check box for the selected checkbox:The checkbox is an important form element that is used in a number of multiple choices, and the following is an example of how to get the values of all the sel

Script>functioncheckbox () {varStr=Document.getelementsbyname ("Box");varObjarray=str.length;varChestr=""; J=0; for(i=0; IObjarray;i++){ if(str[i].checked== true) { ++J; if(Chestr=="") {Chestr+=Str[i].value; }Else{chestr+=","+Str[i].value; } }}if(Chestr== "") {alert ("Please first choose a hobby ~! ");}Else{alert ("your first choice is:"+Chestr+"Length::"+j);}}Script>Choose your hobby:inputtype= "ch

TextRange is used to represent the text in HTML elements, although we usually do not use this object, but it has been provided in the IE4.0. But the invocation method provided by TextRange is rather obscure, so what can we do with it? The traditional use of TextRange is to manipulate the text content of the mouse circle on the Web page, such as changes, deletion

TextRange is used to represent the text in HTML elements, although we usually do not use this object, but it has been provided in the IE4.0. But the invocation method provided by TextRange is rather obscure, so what can we do with it? The traditional use of TextRange is to manipulate the text content of the mouse circle on the Web page, such as changes, deletion

I still like to use jquery to achieve, no matter how many input boxes on the page need to focus, lose focus, all public, my usual method is:Traversing the input box on the page, get the Val value in the box, and when the input box is focused, compare it to the stored oldvalu

Many software support directly drag the file into the function of processing, specific, such as Storm Audio, the video or audio files will be dragged into the automatically start playing, then this function in MFC how to implement it? In fact, it is very simple, the following steps:First step: Set the Accept Files property value in the dialog box properties to TrueStep Two: Add Wm_dropfiles messagesStep thr