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Below provide three pages of special effects to judge upload file size Oh, these three methods are now limited file upload size is a better method, you can upload files when the user limit the size of the upload file to judge processing <!doctype HTML Public "-//W3C//DTD XHTML 1.0 transitional//en "" Http://www.w3.org/tr/xhtml1/dtd/xhtml1-transition ...
About JS get upload file size processing principle is to use JS to read the current picture, and then create a new image and then the size of the picture read out, and then determine the current file picture size is not a specified size on OK. <script language= "Web Effects" > function showsize (Files) {var fso,f; ...
var obj= Web page <input type= "file"/> obj.outerhtml = Obj.outerhtml.replace (/(value=). + "/I," $ "); The more classic method needs to empty the value of the <input type= "file" >, but upload the control.
<!doctype HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/ Xhtml1-transitional.dtd "> <html xmlns=" http://www.w3.org/1999/xhtml ...
JS detect upload Picture type and width (scaled) <form action= "method=" post "enctype=" Multipart/form-data "name=" Dform "> <label for=" IFile "></LABEL>
This is a UI template specification, B / S version of the application is more applicable, in fact, such a thing is not what the formal norms, just to adapt to the development environment we are now facing and organizational processes to make some expeditious efforts , And to solve some problems with the program communication and interface, try to avoid misunderstanding and friction. First, the applicable environment and object Second, the necessity Third, the technical principles Fourth, the code writing norms Fifth, the page template specification First, the applicable environment and objects This specification applies to browser-based B / S version of the software project development. Template development process template page writing and template files apply ...
Page special effects upload picture preview (support Ie7,ie8,firefox) <head> <meta http-equiv= "Content-type" content= "html"; charset=gb2312 "/> <title> webpage special effects upload picture preview </title> <script Langu ...
The use of the picture size and picture sizes (height and width) to note that the picture must be completed before JS get the picture width and height, so to judge in the readystate== "complete" state to get the size, if it is to use file upload, Always click to clear image=new image (); Imgage.width and Height Oh. <!doctype HTML PUBLIC "-...
JS regular string all img picture tags and complement address and alt description <script> var s= ' <img src= "/upload/image.jpg"/> This is some text <img src= "/upload/ Image.jpg "alt=" picture description "/> is some text <img src=" H ...
Save the page as two JS code in fact, a lot of time we need to put the content of the Web page directly to save as, the following we provide two JS save as a Web page code. <html> <head> <title> Save Web page </title> </head> <body> <object classid= "clsid : 8856f961-340a-11d0-a ...
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