password protect web page javascript

The first step is to save the Web page as a canvas canvas, with the help of the Html2canvas library, http://html2canvas.hertzen.com/ Html2canvas (document.getElementById ("Id1"), { onrendered:function (canvas) { document.getElementById ("Id2 "). AppendChild (Canvas)//What to do after generating the canvas, of course, it can be opened in the new tab, displayed in the floating layer, etc. }, canv

. For convenience, when defining the modal mode dialog box, unit with PX.2. dialogwidth: Dialog Box width.3. dialogleft: the distance from the left of the screen.4. dialogtop: the distance from the screen.5. Center: {Yes | no | 1 | 0}: whether the window is centered. The default value is yes, but the height and width can still be specified.6. Help: {Yes | no | 1 | 0}: whether to display the Help button. The default value is yes.7. resizable: {Yes | no | 1 | 0} [ie5 +]: whether the size can be ch

Get the background color and font color of the Web page, as follows:nbsp; nbsp; thought: By obtaining the color property is worth to the RGB color, is not what we want, so you need to change the RGB color to hexadecimal color, first get RGB color:nbsp; copy code code as follows: Var RG b = document.getElementById (' color ') .style.backgroundcolor;nbsp; nbsp; get format as follows: RGB (225, 22, 23); Then s

The following JS code gets all the hyperlinks in the Web page by Document.links to get the number of links 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16-17 The results of the operation are as follows: 1 number of Areas/links:4

The following demo address is local gray Local Gray demo Address: http://demo.jb51.net/js/grayscale/index.html Full Grey demo Address: http://demo.jb51.net/js/grayscale/demo2.htm How to use: 1. First introduce the Grayscale.js file into the Web page. 2. Perform the grayscale function. Sample code: Copy Code code as follows: Grayscale (document.body); The whole station turns gray. Graysca

This article mainly introduces how to use AJAX to implement the Web page progress bar. It is a popular practice to use AJAX to asynchronously display the processing progress of the server, for more information about how to install and download an application, see progress bars. A progress bar can be used to indicate the progress of a project. It can be expressed as a percentage or number and can be placed h

1. Code 　　2. Effect3. SummaryJavascript----Implement the Rocket Button Web page pinned

The following code gets all the pictures in the Web page through Document.images, and then gets the id attribute of the first picture 1 2 3 4 5 6 7 8 9 10 11 12-13 The results of the operation are as follows: 1 Id of the Image:klematis lilac

The principle is to loop through the controls on the Web page, and then set the Disabled property to true. The code is as follows: Copy Code code as follows: The following are the types of these controls: can be obtained by Document.getelementsbyname ("ControlName") [0].type.tolocalelowercase (). There are several types of controls depending on their differences:"Text""TextArea""S