Recent questions tagged HTML

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html - HTML5 Canvas save() and restore() performance

So the issue that I'm having is that in developing an HTML5 canvas app I need to use a lot of ... use the transformations? Thank you! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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560 views

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html - Javascript Function to enter only alphabets on keypress

I want to enter only character values inside a <textarea> and numeric values in another. I have been able ... isNumberKey(event)"></textarea> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Firefox 3.5 color correction hack?

After finally getting down to upgrading to FF 3.5, I noticed that some of my web pages have color problems. ... FF not color correct the PNG? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Media queries PX vs EM vs REM

Can anyone explain why my media queries break when converting them FROM px TO ems In the body of my document, ... media query many thanks, P See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - How to write backwards compatible HTML5?

I'd like to start using HTML5's basic features, but at the same time, keep my code backwards compatible ... to test those browsers painlessly ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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474 views

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html - Any standard mechanism for detecting if a JavaScript is executing as a WebWorker?

A WebWorker executes with a scope completely separate from the 'window' context of traditional JavaScript. Is there a ... are now in 'window'. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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501 views

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html - How to deal with browser differences with indeterminate checkbox

Primer: An HTML checkbox can be set as indeterminate, which displays it as neither checked nor unchecked. Even ... are having similar issues. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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564 views

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html - Why can absolutely positioned elements make areas scrollable?

My understanding is once an element is positioned absolute (even with a negative position value), it will exist completely ... "></div> </div> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Add box shadow with transition effect

I'm adding a class to a div that adds a box shadow to that div. This happens dynamically via jquery. Now, when ... : 0px 0px 4px 2px #D50E0E; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Where to edit bootstrap @grid-float-breakpoint

I know that you can change @grid-float-breakpoint in the "variables.less" file which compiles into the bootstrap ... how to do this. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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686 views

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html - keeping radio buttons checked after form submit

I have two set of radio buttons in html form button and button1. I am using below code to 1.keep ... using checked default option for radios See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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462 views

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html - Cookie Array in javascript

I"m trying to create a 2 dimensional array as a cookie in javascript. Is this possible? First of all, how ... to retrieve data. Thanks alot!!! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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517 views

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html - Flexbox doesn't work with buttons

I want to use flex box model in my html I have a div container with three buttons inside. <div id="viewport" ... ; } http://jsfiddle.net/adUD9/ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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566 views

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html - Create a PHP Dropdown menu from a for loop?

I am trying to create a drop down menu with the options of 1,2,3 and 4. The below code is what I am ... " name="submitYears" value="Year" /> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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424 views

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html - Add Sub-Sub-Menus to a CSS menu with Sub-Menus

I have a CSS manu that I am using with sub menus. I was wondering how I would go about adding a sub-submenu to it. ... ul> </li> </ul> </div> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

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html - Fixed navbar with bootstrap

I'm trying to change the navbar in my child theme but I'm a newbie. I read some questions here about that ... stay fixed after scroll the page. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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691 views

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html - Adjust a div's height/width by dragging its left/top border without jQuery draggable?

I've been struggling to achieve this! We don't want an extra dependency hence not using UI draggable. Whatever I ... ideas to make it working? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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472 views

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html - How does the margin collapsing of parent and first/last child work?

MDN says: If there is no border, padding, inline content, or clearance to separate the margin-top of a block ... 't find anything about this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

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html - File download not working in Android using cordova-2.9.0

I am working on a hybird application and it seems very straightforward way to download a pdf file from server ... basic here? Please suggest. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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480 views

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html - How do you make something to appear slowly on a page using Javascript?

Is there easier way to make something to appear slowly on webpage? I tried to incrementally increase opacity of ... about Google hosting it) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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489 views

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html - Why do floats keep a "phantom" space when they escape to the next line?

I'm playing around with properties of CSS elements and wrote this code: body { font-family: "Helvetica"; } . ... /1/embedded/result/ Thank you! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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517 views

1 answer

html - How to create your OWN Like button? (Not facebook related)

I looked on SO, here, a few other places & ... cluelessness set's in. What is the structure of the Facebook " ... in iWeb'09 as a html widget. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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472 views

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html - css scaled background image

i can get images scaled to fill the window when they are the content, like so: (without any html5 or ... scale? (ideally, without javascript) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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694 views

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html - Why does negative z-index and non-static position disable my checkbox in most browsers?

I have a div containing a checkbox. At certain times the z-index of this div is negative and the postition relative ... /div> </body> </html> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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583 views

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html - Identify IE9/IE10 using jQuery

I have a jQuery code which is working fine for Chrome/Mozilla but not IE. if ($("html").hasClass("ie")) ... to identify IE9/IE10 in jQuery/HTML? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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563 views

1 answer

html - Can auto margins work in CSS Grid like they do in Flexbox?

As far as I understand, anything flexbox can do, css-grid should also be able to do (usually more verbosely). Yet I ... > <li>4</li> </ul> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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505 views

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html - How to read image file at documents directory from ios webview

I am downloading image file and write to documents directory like below: NSArray *paths = NSSearchPathForDirectoriesInDomains( ... body> </html> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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524 views

1 answer

html - how do i include css based on screen size of the device

How do i include css based on the screen size of the devices for viewing web pages? What i have in mind is that i ... do not know how to do it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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