Recent questions tagged HTML

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html - Save/restore background area of HTML5 Canvas

I am using HTML5 canvas as follows: Display an image that fills the canvas area. Display a black text label over ... it must be quite simple. 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 do I set a fixed background image for a PHP file?

I have an .html file with a login form and wish to recreate it and save it as a .php file. However, I'm ... test.</p> </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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499 views

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html - Redrawing HTML5 canvas incredibly slow

I just started playing with the HTML5 canvas and I was hoping to make a couple games with it. However, as soon I ... 570" height="570"></canvas> See Question&Answers more detail:os...

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

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434 views

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html - How to work with FileList (from <input type="file">) in Javascript?

In this W3schools example, console.log on the input element reveals a FileInput object: FileList {0: File, 1: ... ); console.log(fileStore); See Question&Answers more detail:os...

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

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310 views

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html - Can I use table-cell as a stand alone style?

When using the CSS display:table-cell on an element, is it somehow preferred/required that it's parent elements have ... three</span> </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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658 views

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html - Make a CSS triangle with transparent background on a div with white bg image?

Ok so, I'm trying to replicate the effect you see here at the bottom of the page, with the back to top ... CSS? Any help is greatly appreciated. See Question&Answers more detail:os...

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

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369 views

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html - How to highlight CSS grid cells?

Consider a CSS grid where rows can have variable heights: .grid { display: grid; grid-template-columns: repeat(8, 1fr ... ">Second</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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279 views

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html - HTML5 tags in IE 8 & IE 7

Hi as I mentioned in title, in Firefox (firebug), IE-9/10, Chrome it shows properly like: <footer> <div> ... </footer/> Any help is appreciated. See Question&Answers more detail:os...

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

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571 views

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html - <br /> not working in Firefox

I'm writing some code and want to have some space between two inputs and <br /> is not working in Firefox: < ... not be Firefox, as I suppose. See Question&Answers more detail:os...

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

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279 views

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html - How to auto scroll to target div with jquery?

If I have a structure like: <div id="listofstuff"> <div class="anitem"> <span class="itemname">Item1</span> ... having to scroll down to item5;. See Question&Answers more detail:os...

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

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336 views

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html - Javascript append to onClick event

I have the following Code which I know doesn't work correctly. Yes I know how to do this in jQuery but in ... Input3 is clicked, alert "hello2" See Question&Answers more detail:os...

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

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375 views

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html - CSS3 animation on transform: rotate. Way to fetch current deg of the rotating element?

i am working on a html5 interface wich uses drag and drop. While i am dragging an element, the target gets ... animation? Thanks so far Hendrik See Question&Answers more detail:os...

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

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308 views

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html - In new chrome (44.0.2403.157) geolocations doesnt works

Its seems like in new chrome version on MacOs on Linux Mint and on Windows geolocations doesnt works! Its ... Does anyone has same problem? See Question&Answers more detail:os...

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

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482 views

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html - Printing a (part of) webpage with Javascript

I am aware of two ways of calling the "print" dialog of browser (I used the Search, of course): document ... above. Which one has less pitfalls? See Question&Answers more detail:os...

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

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274 views

1 answer

html - Adding an image to submit button using CSS

I'm attempting to use CSS in order to make a sumbit button containing an image. Here's the code: HTML < ... be, it would be greatly appreciated. See Question&Answers more detail:os...

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

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403 views

1 answer

html - Adding custom fonts to GitHub pages

I just hosted my new website on GitHub. I use there a few custom fonts, which I uploaded right next to the ... change to make these fonts work. See Question&Answers more detail:os...

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

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359 views

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html - Vertically align contents of a button other than center

Usually people try to figure out how to vertically center stuff, I want to remove an instance of centered content and ... it?</div> </button> See Question&Answers more detail:os...

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

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364 views

1 answer

html - Why doesn't a <table>'s margin collapse with an adjacent <p>?

From my understanding of the CSS spec, a table above or below a paragraph should collapse vertical margins with it. ... margin all around.</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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380 views

1 answer

html - How to apply different CSS styles to 2 elements with the same class name?

I created a website that has different navigation menus. In 2 menus, I use the same HTML class element. I have ... at all, if possible. 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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538 views

1 answer

html - How to get a scrollbar in a div with fixed header and footer?

I have an website and some problems with the scrollbar. What I want I can best explain with this image. But ... the header and footer height. See Question&Answers more detail:os...

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

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319 views

1 answer

html - make hover on <li>item</li> change text colour too... CSS trick?

I have some menu bars, and at the moment, the Background changes to black when hovering over an <li>content< ... are able to help Regards Henry See Question&Answers more detail:os...

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

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318 views

1 answer

html - response header VS meta tag

I can declare some info, like encoding and language, in meta-tag or in response-header. My question: what the best way ... -8'); What's better ? See Question&Answers more detail:os...

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

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304 views

1 answer

html - Displaying elements other than fullscreen element (HTML5 fullscreen API)

When I "fullscreen" an element (let's say a div), I can't get anything other elements to appear (while in ... > over a fullscreen HTML5 <video>? See Question&Answers more detail:os...

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

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303 views

1 answer

html - table cell width issue

I have a table with 2 rows where i need varying cell width as <body bgcolor="#14B3D9"> <table width="100%" ... gets the width of the first row. See Question&Answers more detail:os...

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

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239 views

1 answer

html - Bootstrap columns not aligning correctly

I've built a layout using Bootstrap 3, and I have the following problem: I have a news section that is ... having nightmares about it. 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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875 views

1 answer

html - Play MP3 file stored as blob

Put simply, I'd like to play a blob MP3 file in Firefox. I have access to both the blob itself: blob ( ... that can play MP3 files from blobs? See Question&Answers more detail:os...

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

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274 views

1 answer

html - Change content of a div using JavaScript

How to dynamically change content of a div using 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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522 views

1 answer

html - What's the difference between margin:auto and justify-content / align-items center?

To center both horizontally and vertically simultaneously, there are two simple options: First .outer { display:flex; } ... one over the other? See Question&Answers more detail:os...

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

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