hide

问题 Trying to hide an option element from a list. I have tried several methods however, cannot seems to work. I need to call select by name as I cannot add ID or class. $('select[name*="boxes"] option[value="box6"]').hide(); here the fiddle: http://jsfiddle.net/q2nb08t6/ any suggestions? 回答1: If you can go with removing it, this seems to work in all browsers: $('select[name*="boxes"] option[value="box6"]').remove(); Tested in FF, Chrome, Safari, IE and Opera. Demo Fiddle 回答2: Change your selector

问题 here is the question: <div class="dep-wrap"> <div class="dep"> <div class="dim"></div> </div> <div class="dep"> <div class="dim"></div> </div> <div class="dep"> <div class="dim"></div> </div> </div> Initially all dim s are hidden, when I hover any dep div I need to make sure its child dim remains hidden and show all other dim s. Is it possible to do with pure CSS with this HTML structure or if there are mode elements between dep and dim ? Thank you. 回答1: Here is a JavaScript solution. var dep

问题 I have some javascripts that I am using in my files. But when we view the source code it shows our javascript as it is. Is there any way with which we can hide our javascript from showing up in the browser using php. 回答1: There is a free javascript obfuscator at javascriptobfuscator.com. It will not prevent dedicated people from "stealing" your code, but normal copy&paste will not be easy. Also see this question: How can I obfuscate (protect) JavaScript? . It contains some very good answers

问题 I have a table with rowspan at starting and ending column. Layout is: <input type="button" id="btn" value="Hide" /> <div id="result"> <table> <thead> <tr> <th>Column1</th> <th>Column2</th> <th>Column3</th> <th>Hide</th> </tr> </thead> <tbody> <tr> <td rowspan="2">Col1</td> <td>col2</td> <td>col3</td> <td rowspan="2"><input type="checkbox" value="" /></td> </tr> <tr> <td>col2</td> <td>col3</td> </tr> <tr> <td>Col1</td> <td>col2</td> <td>col3</td> <td><input type="checkbox" value="" /></td> <

问题 I am new to javascript and I cant seam to hide the div's to start with, I can get the divs to switch between each other any help would be great <script type="text/javascript"> function show(elementId) { document.getElementById("id1").style.display="none"; document.getElementById("id2").style.display="none"; document.getElementById("id3").style.display="none"; document.getElementById(elementId).style.display="block"; } </script> <button type="button" onclick="show('id1');">Button 1</button>

问题 I'm trying to display one of two layouts depending on whether a checkbox is checked or not. Only using widgets I can do the following which works fine: (each widget in this example is a QLineEdit) myCheckbox.stateChanged.connect(switchControls) def switchControls (self, state): if state == 2: self.widget1.show() self.widget2.hide() else: self.widget1.hide() self.widget2.show() However, since I want to add a descriptive label to each QLineEdit, I need to combine a QLineEdit+QLabel in a layout

问题 I have several divs: <div id="div-1"></div> <div id="div-2"></div> <div id="div-3"></div> <div id="div-4"></div> How can I hide them all with jquery. I used $('#div').hide(); and did not work. 回答1: You are using an id in your selector. Simply use: $('div').hide(); However that will hide literally all divs. How about you hide only divs that have an id in the form of div-x ? $('div[id^="div-"]').hide(); This will only hide the divs you mentioned without hiding other divs (which might be

问题 I'm using CreateProcess() with startup flags set to STARTF_USESHOWWINDOW and SW_HIDE to start an application in the background with its window hidden. I'm doing this to run a scheduled maintenance tasks and i don't want to be bothered with windows. In most cases the windows are hidden but there are cases where the program's window pops right out in front of you (for example Google's Chrome - i started testing with different apps to see whether this was a once time problem but nope...). This

问题 I'm trying to hide Eclipse menu bar to save some screen real estate. I found I can do this using perspectives but that would permanently take out the menu from that perspective. The behavior that I want to get is something along of auto-hide, so that the menu remains hidden until I hit ALT+F for example or any other ALT key combo. Is there's a setting or a plugin that can do this? Thanks! 回答1: This is just a work around. Create two perspectives. First one named - With Menu . Second one named

问题 I've got a select list like this: <select id="selectlist" name="selectproduct" > <option value=""> --- Select product --- </option> <option value="1">Product 1</option> <option value="2">Product 2</option> <option value="3">Product 3</option> <option value="4">Product 4</option> </select> Unfortunately I can't edit it. Is there any method which let me hide the "Product 4" option by default? I'm trying with CSS, but it doesn't work with IE. 回答1: To hide it, wrap it with a span tag. $( "