javascript textarea focus

This example describes the method by which the default display background picture in the JavaScript implementation text box disappears after the focus has been obtained. Share to everyone for your reference. Specifically as follows: HTML code: JS Code: I hope this article will help you with your JavaScript programming.

The example in this article describes the method for the value of JavaScript component focus and page anchor. Share to everyone for your reference. The specific analysis is as follows: These two small features are useful in some of the newer mobile pages. How do I trigger an event by placing the input box on the cursor, leaving the input box to trigger another event? Even if the user doesn't enter anythin

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,dialogwidth,center, etOpen the non-modal dialog: Window.showmodelessdialog ("url", "Value passed to target dialog box", "window feature parameter");var a = window.dialogargument; You can use a parameter to get the value passed by the modal or non-modal dialog box.3. Window.history ObjectWindow.history.back (); Page forward backward;Window.history.forward (); Page forward;Window.history.go (n); N If an integer represents the forward n page, n is a negative number that represents a backward n pag

Front-end code: JavaScript code: // Selector function $ A (ID, tag) {var Re = (ID typeof ID! = "String ")? ID: Document. getelementbyid (ID); If (! Tag) {return re;} else {return re. getelementsbytagname (TAG) ;}// click the moving function movec () {var o = $ A ("bd1lfimg", "") in the focus scroll chart ",""); vaR Oli = $ A ("bd1lfimg", "DL"); var oliw = Oli [0]. offsetwidth; // The width of each move

Tip: You can modify some of the code before running Beautiful Javascript+flash Focus AD toggle Diagram Code Tip: You can modify some of the code before running

Beautiful javascript+flash Focus AD switch diagram code

Person classvarperson ={making:function(name,age) { This. Name =name; This. Age =Age ; }, say:function() {document.write ( This. name+ "" + This. age+ ""); }}//Create the object's function, you need to pass two parameters, one is class (person), and one is the argument of the class. functionCreate (obj,arg) {functionCreate_inter () {obj.making.apply ( This, ARG); Create_inter is equivalent to integrating the person} create_inter. prototype=obj;//the person to Create_inter 's prototype.re

Primary javascript-focus map to be optimized

be independent of the use of customer changes, so the strategy mode, generally in the client-defined selection of the algorithm used, passed the corresponding parameters, and then return the results according to the algorithm;This is a bit like a simple factory model, this additional layer of Context is for customers to use more simple call, do not have to self-processing some logic, let the team development, more consistent; the context can also be made into a base class, under which there can

Needless to say, the key code looks like this: ---recovery start--- The above is a small series to introduce the JavaScript form Focus automatic switch code, I hope to help you!