使用javascript检测进入文本区域的希伯来字符 [英] detecting hebrew chars entered into text area with javascript

问题描述

大家好，

我拼命地试图找到一种简单的解决方案，我正在尝试实现

我需要知道用户是否在我的textarea中键入希伯来字符，而我无法弄清楚

请帮助！

moses

hello all,

im desperatly trying to find a solution to a simple thing i''m trying to implement

I need to know if a user types a hebrew char into my textarea, and i cannot figure this out

PLEASE HELP!

moses

推荐答案

可以使用事件onkeydown完成此操作.但是，我不建议您这样做，因为您需要使用事件结构来解决此问题.这就造成了浏览器兼容性问题.但是，可以解决此问题.请参阅:
http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_onkeydown [ ^ ].

由于这个问题，我建议您使用jQuery，它在设计时考虑了兼容性.此类问题已经对该库的用户透明地解决了.请参阅:
http://en.wikipedia.org/wiki/JQuery [ http://jquery.com/ [ ^ ].

以下是该解决方案的代码示例:

This could be done using the event onkeydown. However, I don''t recommend doing it because you need to use event structure to solve this problem; and this creates a browser-compatibility problem. However, this problem can be worked around. Please see:
http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_onkeydown[^].

Due to this problem, I would recommend using jQuery, which is designed with compatibility in mind. Such problems are already resolved transparently to the users of this library. Please see:
http://en.wikipedia.org/wiki/JQuery[^],
http://jquery.com/[^].

Here is the code sample for the solution:

(" span>).keydown(函数(事件){ 如果((event.key> = ' א' )&(event.key< = ' פֿ'))) alert(" ); });

("#txt").keydown(function(event) { if ((event.key >= 'א') & (event.key <= 'פֿ')) alert("Sholom!"); });

(对不起，我可能会弄乱希伯来语字符，因为由于从左到右和从右到左的代码混合，很难输入它们，并且因为我不太了解如何考虑变音符号和连字上的条件，但我希望您有个主意:为Unicode代码点的有效范围编写条件.)

-SA

(Sorry, I might have messed up with Hebrew characters, because they are hard-to enter because of mixture of left-to-right and right-to-left code and because I don''t quite understand how to take into account the conditions on diacritical marks and ligatures, but I hope you got the idea: to write conditions for valid range of Unicode code points.)

—SA

此处 [ ^ ]是可以捕获的希伯来字符集在您的按键事件中.
Unicode范围是\ u0590到\ u05FF.

Here[^] is the hewbrew character set that you can capture in your keydown event.
The unicode range is \u0590 to \u05FF.

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