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How to detect internet speed in JavaScript?
How can I create a JavaScript page that will detect the user’s internet speed and show it on the page? Something like “your internet speed is ??/?? Kb/s” .
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Asynchronously load images with jQuery
...nload handlers were not the right choice. In my case when printing via javascript. So there are actually two options to use AJAX style for this:
Solution 1
Use Base64 image data and a REST image service. If you have your own webservice, you can add a JSP/PHP REST script that offers images in Base6...
Check whether user has a Chrome extension installed
...the whole thing to work the way I would like it to, I need an external JavaScript script to be able to detect if a user has my extension installed.
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使用 Google Code Prettify 实现代码高亮 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...fy.js 的使用方法：
1.引入 jQuery 文件和 prettify.js 文件
<script type="text/javascript" src="jquery-1.6.1.min.js"></script>
<script src="prettify.js" type="text/javascript"></script>
2.调用 prettify.js 实现代码高亮
在 body 标签上添加调用方法，如下：
<body...
JS - get image width and height from the base64 code
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var i = new Image();
i.onload = function(){
alert( i.width+", "+i.height );
};
i.src = imageData;
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Preloading images with jQuery
I'm looking for a quick and easy way to preload images with JavaScript. I'm using jQuery if that's important.
20 Answers
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Setting focus on an HTML input box on page load
...ibute (works in all current browsers except IE9 and below). Only call your script if it's IE9 or earlier, or an older version of other browsers.
<input type="text" name="fname" autofocus>
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Convert SVG image to PNG with PHP
...ap.svg');?>
</div>
then changing the colors is as easy as:
<script type="text/javascript" src="/path/to/jquery.js"></script>
<script type="text/javascript">
$('#CA').css('fill', 'blue');
$('#NY').css('fill', '#ff0000');
</script>
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How to include JavaScript file or library in Chrome console?
Is there a simpler (native perhaps?) way to include an external script file in the Google Chrome browser?
9 Answers
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JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
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The github project JavaScript-Load-Image provides a complete solution to the EXIF orientation problem, correctly rotating/mirroring images for all 8 exif orientations. See the online demo of javascript exif orientation
The image is drawn onto an H...