You can use the upper and lower keys on the keyboard to select the implementation code of table rows. The idea is good. For more information, see.
// This is the table to be operated on: [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]
Preface: Before the understanding of the introduction of a foreign cool website, one of the sensitive website with the simultaneous holding "Q, A, p, l" to watch the video let go immediately force stop (manual squint). The actual use of this feature, I think it is possible to do some small system permissions control can be used, so as to eliminate the login and permissions-related functions.Example 1: Increase permissions while holding "~, L, J, W," at the same time1.1 JS section:Key permissions
The two sections use the upper and lower keys of the keyboard to select code:Section 1 [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]Section 2 [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]
First, you need to determine whether you want to disable the global control or the specified control. For example, I only need to disable the up and down keys of a text box.Copy codeThe Code is as follows:NoExec = function (event ){Var k = event. which | event. keyCode;If (k = 13 | k = 38 | k = 40 ){If ($ ("# atWinByArea"). attr ("id ")){If (event. which) {// FirefoxEvent. preventDefault ();} Else {// IE, ChromeEvent. returnValue = false;}}}DownAt (ev
2 Keys Keyboard "programming question", keyskeyboardDescription
Solutions
I don't have to mention the question. As for the solution, I want to think about the dynamic planning of the past, but I think about it and it will be biased by a cute ting. But in the end, I still have a different path, this question is solved by studying the numbers themselves. The general idea is as follows:For n characters A, if y
Every day, a JS demo uses the keyboard arrow keys to seamlessly switch between top, bottom, and left. Key knowledge points: events, jsdemo
// Animation format FormulaVar Tween = {Linear: function (t, B, c, d ){Return c * t/d + B;},EaseIn: function (t, B, c, d ){Return c * (t/= d) * t + B;},EaseOut: function (t, B, c, d ){Return-c * (t/= d) * (t-2) + B;},EaseBoth: function (t, B, c, d ){If (t/= d/2) Return
Constants of some special keys on the keyboard in SWT:
Enter: the value of the SWT. Cr int type is 13.Line feed key: SWT. Lf
ESC key: SWT. ESC int type value: 27
Backspace key: the value of the SWT. BS int type is 8.
Del key: SWT. DEL
Tab key: SWT. Tab
Shift key: SWT. Shift
CTRL: SWT. CTRL or SWT. Control
Alt key: the value of SWT. Alt int type is 65536
Up arrow key: SWT. arrow_upDownward direction
Basic knowledge about Mac OS X! -- New users must read
Address: http://bbs.weiphone.com/read-htm-tid-297365.html
1. Each Mac OS key corresponds to a key under the win keyboard!Win key = opShift Key = ShiftAlt key = command (that is, spline)Ctrl key = CTRL2. Related shortcut keys
2.1 common 2.2expos space and dashboard 2.3 Basic 2.4 F 2.5 finder 2.6 spotight 2.7 screens 2
What is a keyboard accelerator key?
Accelerators are key combinations that produce WM_COMMAND messages (in some cases, wm_syscommand). In many cases, the program uses an accelerator key to repeat the action of a common menu item (however, the accelerator key can also be used to run non-menu functions). For example, many Windows programs have an Edit menu that contains a Delete or clear option, which is used to specify the DEL key as the accelerator k
Just learned the keyboard in the upper right corner of the three keys (PRTSCRSYSRQ, ScrollLock, Pausebreak) The use of methods, to share with you.
Prtscrsysrq
(When you think there is a good picture on the screen, quickly press the PRINTSCREENSYSRQ key, this key is the same as the camera shutter (this key on the keyboard are, generally in the direction of the u
This article describes the JS implementation to get the keys pressed by the keyboard and displayed on the page method. Share to everyone for your reference, specific as follows:
Please use the keyboard to enter some characters, these characters are displayed in the blank of the Web page, is not a text box or text fields, such as things, feel very not accustomed
Recently in the use of vim, often encounter a situation, that is, the capslk button is often wrong operation, which in normal mode, the impact on the cache interface is very large. So, today on the Internet to find the next method, to find a way to the role of this button with the other keys on the keyboard exchange.Now write down the specific method, convenient for later use 1, to achieve this method, we a
consecutivelyDD-delete a whole line ndd-delete the down n rows of the cursorD1G-delete the line from the cursor to the first line DG-delete the line from the cursor to the last rowd$-delete cursor at end of line D0-delete cursor at beginning of rowYY-the line where the copy cursor is NYY-the next n line where the copy cursor is locatedY1G-Copy the current line to the first line YG-Copy the current line to the last rowY0-Copy current cursor to beginning y$-copy current cursor to end of lineP-pas
document.onkeydown=function(){Alert (Event.keycode)//You can view the individual keysKeyCodeis how much if (Event.keycode = = //esc { event.keycode = 0; returnfalse; }JS shielded keyboard keys
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