javascript 如何通过 jQuery 禁用文本选择？
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How to disable text selection via jQuery?
提问by Dennis
I know this question have been already asked (here), but all the answers I've found dealt with css selector :selection (that is not yet too widely supported by browsers).
我知道已经有人问过这个问题（这里），但我找到的所有答案都涉及 css 选择器 :selection （浏览器还没有广泛支持）。
So, how can I disable text selection on my html page via jQuery, not relying on css tricks?
那么，如何通过 jQuery 在我的 html 页面上禁用文本选择，而不依赖于 css 技巧？
采纳答案by Merianos Nikos
回答by Halfhoot
Here is a simple one-liner to disable selecting text on your whole page. (whether you should or not is another question)
这是一个简单的单行代码，用于禁用在整个页面上选择文本。（该不该是另一个问题）
$(document).bind('selectstart dragstart', function(e) {
e.preventDefault();
return false;
});
回答by Dennis
If you want to avoid plugins, you can extract the relevant parts from the jQuery UI source:
如果你想避免插件，你可以从 jQuery UI 源中提取相关部分：
/*!
* jQuery UI 1.8.16
*
* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI
*/
$.support.selectstart = "onselectstart" in document.createElement("div");
$.fn.disableSelection = function() {
return this.bind( ( $.support.selectstart ? "selectstart" : "mousedown" ) +
".ui-disableSelection", function( event ) {
event.preventDefault();
});
};
$("#somediv").disableSelection();
回答by ThiefMaster
Include jQuery UI and use $(element).disableSelection().
包括 jQuery UI 并使用$(element).disableSelection().
However, disabling text selection is veryuser-unfriendly unless used in a context where accidental selections are likely (e.g. Drag&Drop or buttons where users are likely to doubleclick to perform multiple changes faster (e.g. in spinners))
但是，禁用文本选择对用户非常不友好，除非在可能发生意外选择的上下文中使用（例如拖放或用户可能双击以更快地执行多个更改的按钮（例如在微调器中））
