How to disable text selection using jQuery?

jQuery或jQuery-UI是否具有禁用给定文档元素的文本选择的功能? 在jQuery 1.8中,可以这样做: (function($){ $.fn.disableSelection = function() { return this .attr('unselectable', 'on') .css('user-select', 'none') .on('selectstart', false); }; })(jQuery); If you use jQuery UI, there is a method for that, but it can only handle mouse se

如何使用jQuery禁用文本选择?

jQuery或jQuery-UI是否具有禁用给定文档元素的文本选择的功能? 在jQuery 1.8中,可以这样做: (function($){ $.fn.disableSelection = function() { return this .attr('unselectable', 'on') .css('user-select', 'none') .on('selectstart', false); }; })(jQuery); 如果你使用jQuery UI,有一种方法,但它只能处理鼠标选择(即CTRL + A仍在工作): $(

Prevent text selection after double click

I'm handling the dblclick event on a span in my web app. A side-effect is that the double click selects text on the page. How can I prevent this selection from happening? function clearSelection() { if(document.selection && document.selection.empty) { document.selection.empty(); } else if(window.getSelection) { var sel = window.getSelection(); sel.re

双击后防止文本选择

我正在处理我的Web应用程序中的跨度的dblclick事件。 副作用是双击选择页面上的文本。 我怎样才能防止这种选择发生? function clearSelection() { if(document.selection && document.selection.empty) { document.selection.empty(); } else if(window.getSelection) { var sel = window.getSelection(); sel.removeAllRanges(); } } 您还可以将这些样式应用于所有非IE浏览器和

how to prevent text selection when dragging mouse in Firefox?

I am wondering how those drag and drop widgets cancel text selection in the dragging element and other elements in the page. I tried the following code which works in IE8 (cannot select text) but does not work (can still select text) in Firefox. <!DOCTYPE html> <html> <body> <p>Hello World</p> <script type="text/javascript"> document.onmousemove = fun

在Firefox中拖动鼠标时如何防止文本选择?

我想知道这些拖放小部件如何取消拖动元素和页面中的其他元素的文本选择。 我尝试了以下在IE8中工作的代码(无法选择文本),但在Firefox中不起作用(仍然可以选择文本)。 <!DOCTYPE html> <html> <body> <p>Hello World</p> <script type="text/javascript"> document.onmousemove = function() { return false; } </script> </body> </html> 或者,

How do I prevent selection scrolling in the body

I have divs that are placed off-screen. I have disabled scrollbars like so: body { overflow: hidden; } Currently, when I highlight text and drag the mouse outside the window, the body still scrolls. How can I prevent this behaviour? (Setting offscreen elements to display: none is not an option.) Thanks! Travis What browser is this happening in? Where, off-screen, are the divs posit

我如何防止正文中的选择滚动

我有放在屏幕外的div。 我禁用了滚动条,如下所示: body { overflow: hidden; } 目前,当我突出显示文本并将鼠标拖到窗口外时,主体仍会滚动。 我怎样才能防止这种行为? (设置屏幕元素显示:none不是一个选项。) 谢谢! 特拉维斯 这是什么浏览器? 离屏的地方,divs是否定位? 如果它们偏左或偏右,则可以尝试使用负顶部边距,因为用户不太可能突出显示“向上”。

Using jQuery to test if an input has focus

On the front page of a site I am building, several <div> s use the CSS :hover pseudo-class to add a border when the mouse is over them. One of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except that IE6 does not support :hover on any elements other than <a> s. So, for this browser only we

使用jQuery来测试输入是否有焦点

在我正在构建的站点的首页上,有几个<div>使用CSS :hover伪类在:hover时添加边框。 其中一个<div>包含一个<form> ,使用jQuery,它将保持边界,如果其中的输入具有焦点。 除了IE6不支持:hover在除<a> s以外的任何元素上之外,此功能完美无缺。 因此,对于这个浏览器,我们只使用jQuery模仿CSS :hover使用$(#element).hover()方法:hover 。 唯一的问题是,现在jQuery同时处理形式focus()和hover() ,

How can I extend draggable area of jQuery draggable

Trying to enhance usability of a jQuery draggable I run into following issue. I have a div container, containing an (small) image and a text, giving the user the oportunity to drag the image into an text editor. If I add the .draggable to the img everything works fine, but since the image is quite small usability is not good. So, what I want to do is making the div container draggable, but o

如何扩展可拖动的jQuery可拖动区域

试图增强jQuery可拖动性的可用性,我遇到了以下问题。 我有一个div容器,包含一个(小)图像和一个文本,为用户提供了将图像拖入文本编辑器的机会。 如果我将.draggable添加到img中,一切正常,但由于图像相当小,可用性并不好。 所以,我想要做的是使div容器可拖动,但只拖动img。 有谁知道解决方案? 编辑:这里是代码 HTML += '<div id="row'+file.id+'" class="box downloadfilerow" style="opacity: 1;height:'+

HTML text unselectable but with a twich ! UNDELETABLE

I know about -moz-user-select : none; -webkit-user-select : none; -khtml-user-select : none; and it works fine in the code i have . But i want to make my div unselectable by Ctrl+A also , which the above directives don't seem to have an effect on. How can i disable this selection in Firefox for example? I want to be able to prevent selection with Ctrl+A so that the Del key won't d

HTML文本无法选择,但与旋转! 不可删除

我知道-moz-user-select :none; -webkit-user-select :none; -khtml-user-select :none; 它在我有的代码中工作正常。 但我想通过Ctrl + A也可以让我的div无法选择,而上面的指令似乎没有影响。 如何禁用Firefox中的这一选择? 我希望能够通过Ctrl + A阻止选择,以便Del键不会删除文本。 我想让文本不可删除。 非常感谢! 您可以按如下方式禁用Ctrl-A按键,但这不会完成整个工作,因为浏览器的上下文和编辑菜单仍将

How can I prevent the backspace key from navigating back?

On IE I can do this with the (terribly non-standard, but working) jQuery if ($.browser.msie) $(document).keydown(function(e) { if (e.keyCode == 8) window.event.keyCode = 0;}); But is it possible to do in a way which works on Firefox, or in a cross-browser way for a bonus? For the record: $(document).keydown(function(e) { if (e.keyCode == 8) e.stopPropagation(); }); does nothing. $(docu

我怎样才能防止退格键导航回来?

在IE上,我可以用(非常不标准的,但工作正常的)jQuery来做到这一点 if ($.browser.msie) $(document).keydown(function(e) { if (e.keyCode == 8) window.event.keyCode = 0;}); 但是有可能以Firefox的方式工作,或者以跨浏览器的方式获得奖金? 作为记录: $(document).keydown(function(e) { if (e.keyCode == 8) e.stopPropagation(); }); 什么也没做。 $(document).keydown(function(e) { if (e.keyCode == 8) e

Can I run ECMAScript 6 from Java 9 Nashorn engine

Java 9 now includes ECMAScript 6 support, as claimed by this article. However, it doesn't explain how to run it from Java with ScriptEngine. The linked Java magazine also doesn't explain it. The article says the following: To activate ES6 support, use --language=es6 on the command line. This does work with jjs , but I can't find a way how to enable this from Java code. To test

我可以从Java 9 Nashorn引擎运行ECMAScript 6吗?

如本文所述,Java 9现在包含ECMAScript 6支持。 但是,它没有解释如何使用ScriptEngine从Java运行它。 链接的Java杂志也没有解释它。 文章说如下: 要激活ES6支持, --language=es6在命令行上使用--language=es6 。 这对jjs ,但是我找不到如何从Java代码启用它的方法。 为了测试它,我使用了下面的代码: import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; import javax.script.ScriptExcep

Why is MongoDB slower to insert Records only when collection does not exist?

I was doing the benchmarking of MongoDB 3.2.17 for fun and cannot understand the reason for this behavior. When I create an empty collection prior to doing insertion MongoDB x 906 ops/sec ±2.78% (75 runs sampled) When I don't create any empty collection and just simply run insertMany MongoDB x 87.81 ops/sec ±94.31% (71 runs sampled) // Error Rate is high, why? My Code that uses Benc

为什么只有当收藏不存在时,MongoDB才会插入记录的速度较慢?

我为了好玩而对MongoDB 3.2.17进行了基准测试,并且无法理解这种行为的原因。 当我在插入前创建一个空集合 MongoDB x 906 ops / sec±2.78%(75次采样) 当我不创建任何空的集合,只是简单地运行insertMany MongoDB x 87.81 ops / sec±94.31%(71次采样)// 错误率很高,为什么? 我的代码使用Benchmark.js,以便您可以指出我是否犯了一些错误 var Benchmark = require('benchmark'); var suite = new Benchmark.Suit