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iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
...the iPad ( not a regular App Store app - it's written using HTML, CSS and JavaScript). Since the keyboard fills up a huge part of the screen, it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However, I have found no way to detect when or whether ...
How do I add a class to a given element?
... If the only work on the whole page that needs to be done with JavaScript is this class name addition, then yes. But I can't see this being the only dynamic part of the page. A library will help with everything else as well. At 30-50kb jQuery is hardly a hit worth discussing.
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Unexpected results when working with very big integers on interpreted languages
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And in NodeJS (and JavaScript in general) all arithmetic operations (except bit operations) behave as if they were done with floating point numbers. Whether or not they actually are is an under-the-hood distinction subject to the decisions of i...
Determine a user's timezone
... What about users who use cell phones that have browsers without javascript support? I like the question, the user asks about HTTP headers, user agent... is there a way to make this work server side, as accurate as possible?
– Nischal
Sep 9 '11 at 14...
JavaScript data grid for millions of rows [closed]
... number of rows of data (ie. millions of rows) to the user in a grid using JavaScript.
19 Answers
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Change the selected value of a drop-down list with jQuery
...t to a particular value that I know exists using jQuery .
Using regular JavaScript , I would do something like:
17 Answe...
Question mark and colon in JavaScript
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"In JavaScript, a truthy value is a value that is considered true when evaluated in a Boolean context. All values are truthy unless they are defined as falsy (i.e., except for false, 0, "", null, undefined, and NaN)." This is wh...
JavaScript: Check if mouse button down?
Is there a way to detect if a mouse button is currently down in JavaScript?
16 Answers
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CDC:DrawText 多行显示文本（文本自动换行） - C/C++ - 清泛网 - 专注C/C++及内核技术
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hdc：设备环境句柄。
lpString：指向将被写入的字符串的指针，如果参数nCount是C1，则字符串必须是以\0结束的。
如果uFormat包含DT_MODIFYSTRING，则函数可为此字符串增加4个字符，存放字符串的缓冲区必须足够大，...
How to determine whether an object has a given property in JavaScript
How can I determine whether an object x has a defined property y , regardless of the value of x.y ?
7 Answers
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