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How to hide multiple (thousands) rows in the html table

由 纵饮孤独 提交于 2020-01-14 19:59:22
问题 I have html page with many rows (is about 40000) <html><body> <table id="t1"> <tr id="r1" name="1"><td>row 1</td></tr> <tr id="r2" name="1"><td>row 2</td></tr> .... <tr id="r50000" name="3"><td>row 30000</td></tr> </table></body></html> I need a fast way to hide/show set of rows (10 000 or 20 000) with the specified name. Platform requirements: IE8-9 and Mozila Firefox. I tray many methods: using tbody, block tags, hiding rows, and stop at one: loop trow the rows and hide/show it: curLevel

How to apply checkbox with functions in javascript?

由 守給你的承諾、 提交于 2020-01-14 14:37:53
问题 How to apply checkbox with functions in javascript? How to hide post/object with specific tags when checkbox is unchecked? I just need to know how to put functions for the checkbox to be automatically check upon opening the page and the checkbox to hide posts/objects with a specific tag on them. Is it correct to apply-- display:none or-- .structural { position:absolute; left:-9999px; } --that I've found during research? This was as far as I could go considering my lack of skills: <input type=

Hide Android Action Bar solution

由 谁都会走 提交于 2020-01-14 06:11:10
问题 I've been looking for the solution to hide Android Action Bar. Tens of them are published and work the same way - Action Bar is hidden only after it's shown for the second. Not good enough, so I tested more and created my own solution. It was not published anywhere, but seems for me very simple and obvious. The most important is - Action Bar can't be seen at all. My question is - what's wrong with it ? ) Why did Android dinosaurs avoid something like that ? Solution to hide Android Action Bar

Hide button in Swift 3

由 試著忘記壹切 提交于 2020-01-13 08:18:53
问题 I've just started with coding and I really want to know how to hide buttons. What I want to do is when I press my button: Start: I want to let the start button and the back button disappear. It's done with Outlets and Actions. I already searched a bit but when I wanted to do it, it said that the do keyword is expected to designate a block of statements. I hope someone can help me out. 回答1: Once you have your outlets connected, simply change the isHidden property to true. IBOutlet weak var

Swift - UITableView scroll event

由 萝らか妹 提交于 2020-01-12 12:54:28
问题 I was wondering how to detect if the UITableView is scrolled (up or down). I want to hide the keyboard when the UITableView is scrolled with self.view.endEditing(true) . Thanks in advance 回答1: You can add UIScrollViewDelegate . After that you can implement scrollViewDidScroll method. 回答2: You can set property of UITable view (XCode 7+) In Storyboard: in Code: tableView.keyboardDismissMode = .onDrag 回答3: I believe the complete solution would be the following: func scrollViewDidScroll(_

Navigation bar hides but leaves space when using navigation drawer in android 5+

由 假如想象 提交于 2020-01-11 06:25:10
问题 I am trying to develop a full-screen app with 2 main activities: LoginActivity and DashboardActivity. LoginActivity has only the UI for user input to login like Username and password. In this screen the nav and status bar gets hidden completely without leaving any space. After login in the DashboardActivity I have a toolbar with Navigation drawer. In this activity I did all things I did in LoginActivity. What happens is the Nav and status bar gets hidden but the space occupied by Nav bar

jQuery show/hide next div

由 天涯浪子 提交于 2020-01-11 03:33:09
问题 How do I show/hide next div? The following code works: jQuery(".edittopic").click(function() { jQuery(this).next(".t_edit_cont").toggle(); }); ... only if the t_edit_cont div is right after the edittopic button. Currently, I have them in separate DIVs, like this: <div class="t_mod_box"> <input type="submit" value="Edit" class="edittopic" name="send" /> </div> <div class="t_edit_cont"> Show hide content inside here... </div> How can I make this work? jsfiddle demo. 回答1: You can use parent() to

shiny: start the app with hidden tabs, with NO delay

由 风流意气都作罢 提交于 2020-01-10 14:54:33
问题 I would like to build an application and some of the tabs will be hidden to the user until he types the right password. I know how to do this with shinyjs::hideTab : library(shiny);library(shinyjs) ui <- fluidPage(useShinyjs(), navbarPage("hello", id="hello", tabPanel("home", br(), h3("this is home"),passwordInput("pass", "enter 'password' to see the tabs: "),actionButton("enter", "enter")), tabPanel("tab2", br(), h4("this is tab2")), tabPanel("tab3 with a lot of stuff in it", br(), h4("this

Show one div while hiding other divs with jquery when clicking on links

由 江枫思渺然 提交于 2020-01-10 04:26:05
问题 I am trying to create a navigation scheme that has a series of links and number of divs. When I click on link 1 I want to show div 1. If I click on link 2 I want to hide 1 and show 2 etc. I was able to get the following code to work. However, what is happening is when any other link on the page is clicked the div that is currently being displayed disappears/hides. I have tried various solutions but have been unable to figure this out. Can someone provide some insights to what may be happening

JavaScript: How to Hide / Unhide <div>

由 时光总嘲笑我的痴心妄想 提交于 2020-01-10 03:52:25
问题 I'm trying to avoid using innerHTML because it causes my browser to crash, probably due to the 250 milliseconds refresh rate. Anyway, I would rather have some content in an hidden <div> and make the <div> visible only if a certain condition is met. What's the best approach to go around this? Basically, what I'm doing now is.. setInterval(function () { if (serverReachable()) { .... // lines of code .... // lines of code var changeIt = document.getElementById('change') changeIt.innerHTML = '';
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