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CSS: background image on background color
.....
</span>
</div>
the css:
.block{
background-image: url('img.jpg') no-repeat;
position: relative;
}
.block::before{
background-color: rgba(0, 0, 0, 0.37);
content: '';
display: block;
height: 100%;
position: absolute;
width: 100%;
}
...
How to Decrease Image Brightness in CSS
... 0; height: 256px; width: 256px;
}
</style>
Normal:<br />
<img src="http://i.imgur.com/G8eyr.png">
<br />
Decreased brightness:<br />
<div id="container">
<div class="overlay"></div>
<img src="http://i.imgur.com/G8eyr.png">
</div>
...
Check whether user has a Chrome extension installed
...In your web page, you can try to load this file by its full URL (in an <img> tag, via XHR, or in any other way):
chrome-extension://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/test.png
If the file loads, then the extension is installed. If there's an error while loading this file, then the extension is ...
jQuery/JavaScript to replace broken images
...ror event for the image to reassign its source using JavaScript:
function imgError(image) {
image.onerror = "";
image.src = "/images/noimage.gif";
return true;
}
<img src="image.png" onerror="imgError(this);"/>
Or without a JavaScript function:
<img src="image.png" onErr...
How to upload, display and save images using node.js and express [closed]
...w the uploaded image, assuming you already have an HTML page containing an img element:
<img src="/image.png" />
you can define another route in your express app and use res.sendFile to serve the stored image:
app.get("/image.png", (req, res) => {
res.sendFile(path.join(__dirname, "./upl...
How to “crop” a rectangular image into a square with CSS?
...
Assuming they do not have to be in IMG tags...
HTML:
<div class="thumb1">
</div>
CSS:
.thumb1 {
background: url(blah.jpg) 50% 50% no-repeat; /* 50% 50% centers image in div */
width: 250px;
height: 250px;
}
.thumb1:hover { YOUR HOVER S...
How to take screenshot of a div with JavaScript?
...
Yep, you can have an inline dialog box with an img that has its src set to the data: URI. However, that isn't really necessary -- you can just put the canvas itself in the inline dialog box; users can right click it and save the current state as an image.
...
Do we still need end slashes in HTML5?
...
img tags are Void Elements so they do not need an end tag.
Void elements
area, base, br, col, command, embed, hr, img, input, keygen, link, meta, param, source, track, wbr
...
Void elements only have a start tag; ...
How can I quantify difference between two images?
...]
# read images as 2D arrays (convert to grayscale for simplicity)
img1 = to_grayscale(imread(file1).astype(float))
img2 = to_grayscale(imread(file2).astype(float))
# compare
n_m, n_0 = compare_images(img1, img2)
print "Manhattan norm:", n_m, "/ per pixel:", n_m/img1.size
...
Asynchronously load images with jQuery
... and place it somewhere in the document once it has finished loading:
var img = $("<img />").attr('src', 'http://somedomain.com/image.jpg')
.on('load', function() {
if (!this.complete || typeof this.naturalWidth == "undefined" || this.naturalWidth == 0) {
alert('broken...