javascript viewport size

Sometimes, we need to control the size of the display window, which can be achieved by clicking the control button in the upper right corner of the window. However, can we achieve this through links on the page? The answer is: yes! See the following code: The code above contains two functions. If one function is understood, the other function is well understood. Let's take a look at 1st. Use the innerwidth and innerheightcommands in the minimize fu

Oh ah, in the software development process is assumed to meet the size of two times. What would you do. Yes, well, it's very intuitive to take the "-" off, and then the size, is it really necessary? Look at the simplest of times in the following ways: Start time: End time: "0-minute download resources " Time operation (JavaScript edition)-The simplest

Requirements Analysis: In doing upload pictures, if you do not limit the size of the upload picture, the consequences are very serious. So how can we solve a thorny problem? There are two ways of doing this:1) Background processing: That is, Ajax Post submitted to the background, the picture uploaded to the server, and then get the image size to do processing.2 foreground processing: that is, use

This article illustrates how JavaScript implements dynamic change of layer size. Share to everyone for your reference. The implementation methods are as follows: ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 This is the only of the "a" of the--------------- TD style= "BORDER:0;PADDING:0;" > The wants this article to help you with your

is necessary to use JavaScript.2, some HTML tags have the default margin, padding values, you need to manually clear these values in the style sheet, otherwise it may affect our arrangement effect3. Label = Element4, positioning is divided into relative positioning and absolute positioning, relative positioning is relative, absolute positioning is absolute. We use absolute positioning here. The knowledge about positioning will be explained in detail

This paper illustrates how JavaScript implements the mouse drag to change the size of the layer. Share to everyone for your reference. The implementation methods are as follows: ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26-27--28 29---30 31--32 33 34 35 36 37 38-39 40 41 42 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76

Blog Source http://blog.csdn.net/eduxh/article/details/1906246//Image self-adapting size//ID of the IMG control//Width and height are the wide height of the IMG parent control-that is, the maximum width and height of the img//Example: "functionImgfit (Id,width,height){VarImagearr=document.getElementById (ID);If(Imagearr.offsetwidth>Width||Imagearr.offsetheight>Height{ImageRate1=parseint (Imagearr.offsetwidth)/WidthImageRate2=parseint (Imagearr.offset

Javascript obtains the size and position of a window (container). Many things are easy to confuse. Here we will give a brief description: Attribute method description:The horizontal coordinate of clientX relative to the document;The vertical coordinate of clientY relative to the document;Horizontal coordinates of offsetX relative to the container;Vertical coordinate of offsetY relative to container;ScrollW

You can use Outerwidth,outerheight to get the size of the browser in JavaScript. Use Innerwidth,innerheight to get the size of the window (except for the browser's border portion). For IE6 and previous versions, distinguish between standard mode and promiscuous mode. Standard mode uses document.documentelement.clientwidth,document.documentelement.clientheight pro

The client uses javascript to obtain the file size. The implementation code is as follows: [FAQs]The Automation server cannot create objects.[Solution]Step 1:Browser --> tool --> Internet option --> Security --> Custom Internet level --> security level is set to "medium", enable "for ActiveX controls that are not marked as secure Initialization and script running"Step 2:Next, select "trusted site" --> site

Http://www.cnblogs.com/sink_cup/archive/2010/12/16/javascript_screen_width.html Javascript detects your resolution and the font size is set automatically Window. onresize

(function () { function o () { = (document.documentElement.clientWidth )/31.25 + "px" } varnull; Window.addeventlistener (function () { = SetTimeout (o,!1) ), O () }) (window);Phone font size px-rem javascript conversion

javascript| Control | upload How do I control the size of uploaded files with javascript? --------This paper is to control the size of uploaded files using JavaScript and some properties such as filesize,fileupdateddate, such as the image in IE. The FileSize attribute of

Requirements Analysis: When uploading pictures, if you do not limit the size of uploaded images, the consequences are very serious. So how can we solve a difficult problem? There are two ways of doing this:1) Background processing: That is, Ajax Post submitted to the background, the picture uploaded to the server, and then get the image size to do processing.2) Foreground processing: That is, using

var img = $ ("#img_id"); Get my img elemvar pic_real_width, pic_real_height;$ ("Technically, we can easily limit the picture with the maximum width of the text, so that all of them remain one width, without the width of the text, we need each picture's own size. We can declare the original size of the picture when the server is edited. A more flexible way is to dynamically get the original

integer addition and subtraction of the basic implementation, but the efficiency is not particularly high.On the net also has through the 10000 binary optimization vertical algorithm, as well as through the bit operation realization Arithmetic method, everybody also may search to see, today's practice is here, next week will give Chuyang division the basic realization.If you like my article, you can scan the QR code to follow my public number.Try to share a little bit of my own development and

In the company's official website, the news page will have a browser to adjust the size of the text, so in this free time, the function of sorting down: function Setfontsize (id,content,params) {var otarget = document.getElementById (id), content = Document.get Elementbyid (content), size = Params.size | | MaxSize = Params.maxsize | | Step = Params.step | | 2; obtn = ' Call Mode:

The browser of the Webkit kernel gets the width and height after loading the image. So, I suggest using the onload time to get the width and height of the picture1 varIMG = $ ("img") [0];//Get my img elem2 varpic_real_width, pic_real_height;3$ ("//Make in memory copy of the image to avoid CSS issues4. attr ("src", $ (IMG). attr ("src"))5. Load (function() {6Pic_real_width = This. width;//Note: $ (this). Width () would not7Pic_real_height = This. Height;//Work for in memory images.8});The above c

computes a string and executes the JavaScript code in it.The modified codeJS Code function Chknum () { var appcount = $ ("#appcount"). Val (); var intencount = $ ("#intencount"). Val (); var unemployment = $ ("#unemployment"). Val (); if (appcount = = Null | | appcount = = "") { Alert ("The number of candidates cannot be empty!")"); return false; } if (intencount = = Null | | intencount = = "") { Alert ("Th

Javascript| Control | show Change and control the size of the displayed picture with JavaScript 100| | THIS.HEIGHT>100) i++) {this.width-= THIS.WIDTH/10}/*alert (this.width) * * _>OnResize shows the changed picture size, it turns out to be 34