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Difference between Node object and Element object?
...
Best source of information for all of your DOM woes
http://www.w3.org/TR/dom/#nodes
"Objects implementing the Document, DocumentFragment, DocumentType, Element, Text, ProcessingInstruction, or Comment interface (simply called nodes) participate in a tree."
http://www.w3.org/TR/dom/...
Cross browser JavaScript (not jQuery…) scroll to top animation
...re's another one, uses easing equations..
// first add raf shim
// http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
window.requestAnimFrame = (function(){
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequ...
How to find out which processes are using swap space in Linux?
...s a link which tells you both how to install it and how to use it:
http://www.cyberciti.biz/faq/linux-which-process-is-using-swap/
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Margin while printing html page
...html body element, which is normally controlled by the browser. See http://www.w3.org/TR/1998/REC-CSS2-19980512/page.html.
This currently works in all major browsers except Safari.
In Internet explorer, the margin is actually set to this value in the settings for this printing, and if you do Previe...
How can you find the height of text on an HTML canvas?
...red. actualHeight is specific to the string being rendered.
Spec: https://www.w3.org/TR/2012/CR-2dcontext-20121217/#dom-textmetrics-fontboundingboxascent and the sections just below it.
Support status (20-Aug-2017):
Chrome has it behind a flag (https://bugs.chromium.org/p/chromium/issues/detail?...
Does SVG support embedding of bitmap images?
...ata URIs to make the SVG self-contained. An example:
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink">
...
<image
width="100" height="100"
xlink:href="data:image/png;base64,IMAGE_DATA"
/>
...
</svg>
The sv...
How do you use window.postMessage across domains?
...
Probably you try to send your data from mydomain.com to www.mydomain.com or reverse, NOTE you missed "www". http://mydomain.com and http://www.mydomain.com are different domains to javascript.
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What are the recommendations for html tag?
...ential pitfalls for others.
I'll use a base tag of: <base href="http://www.example.com/other-subdirectory/"> as my example in the cases below, and will pretend that the page that the code is on is http://localsite.com/original-subdirectory
Major:
No links or named anchors or blank hrefs wil...
How do I lock the orientation to portrait mode in a iPhone Web Application?
...e browser with body[orient="landscape"] or body[orient="portrait"]
http://www.evotech.net/blog/2007/07/web-development-for-the-iphone/
However...
Apple's approach to this issue is to allow the developer to change the CSS based on the orientation change but not to prevent re-orientation completely...
App Inventor 2 App上架国内应用市场完整指南 · App Inventor 2 中文网
...策”链接，用户可随时查看
隐私政策参考模板：https://www.fun123.cn/static/privacy_policy.html
二、隐私合规深度要求
隐私审核是上架过程中最严格的环节，仅有一个隐私政策页面还不够。
2.1 敏感权限说明
...