有人可以给我一些指导,说明最好的方法是什么.
我正在尝试获取".main"之后的所有文本
我知道这可能很简单,但是在圣诞节前夕它一整天都在我的脑子里捡.所以我想的不是强调自己,而是寻求一些指导.
示例代码只带回Text in P tag,但我想带回Text not in it's own element和p tag
console.log($("#container").find(".main").next().text());Run Code Online (Sandbox Code Playgroud)
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div id="container">
<div class="main"> WOOP IN MAIN </div>
Text not in it's own element
<p> Text in P tag </p>
</div>Run Code Online (Sandbox Code Playgroud)
我到目前为止:测试的例子
$dates[] = array("date" => "2016-02-18 02:00:00", "duration" => "600"); // 10 mins
$dates[] = array("date" => "2016-02-18 02:05:00", "duration" => "300"); // 5 mins
$dates[] = array("date" => "2016-02-18 02:10:00", "duration" => "600");
$dates[] = array("date" => "2016-02-18 02:15:00", "duration" => "300");
$dates[] = array("date" => "2016-02-18 02:20:00", "duration" => "600");
$dates[] = array("date" => "2016-02-18 02:25:00", "duration" => "300");
$dates[] = array("date" => "2016-02-18 02:30:00", "duration" => "600");
$alreadyChosenDates[] = array("date" => "2016-02-18 02:05:00", "duration" => "300"); …Run Code Online (Sandbox Code Playgroud) 这是使用 Docker。它在使用时有效wsl2,但在使用时hyper-v我遇到了问题。
我正在尝试运行mix watch -- --watch-options-poll=3000,mix --production但每次运行时都会遇到以下问题。
[webpack-cli] [错误:EEXIST:文件已存在,打开 '/var/www/html/public/website/images/e-side.png'] { errno:-17,
代码:'EEXIST',系统调用: '打开',路径:'/var/www/html/public/website/images/e-side.png' }
webpack.mix.js
const mix = require('laravel-mix');
const oldMix = require('laravel-mix');
const path = require('path');
const glob = require('glob');
const PurgeCSSPlugin = require('purgecss-webpack-plugin');
//-- Website Mix --
mix.babelConfig({
plugins: ['@babel/plugin-syntax-dynamic-import', '@babel/plugin-proposal-class-properties', '@babel/plugin-proposal-optional-chaining'],
});
mix.webpackConfig({
watchOptions: {
ignored: /node_modules/
},
stats: {
warnings: false,
},
output: {
chunkFilename: 'website/js/chunks/[chunkhash].js',//replace with your path
},
resolve: {
alias: {
'@fonts': path.resolve(__dirname, 'resources/website/styles/fonts'), …Run Code Online (Sandbox Code Playgroud) 当我对数组进行排序时,我在控制台中收到以下错误:
Uncaught TypeError: Cannot read property 'localeCompare' of null
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到目前为止我尝试过的:
HTML:
<table class="table table table-striped table-bordered table-hover" id="userLastSyncTable">
<thead>
<tr>
<th class="sortable sortDevicePlatform orderDevicePlatformByASC">Device Platform</th>
</tr>
</thead>
<tbody></tbody>
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的JavaScript/JQuery的:
var TestArray = ["iOS 7", null, "iOS 8.4", null, null, null, "iOS 9"];
ShowUserSyncTable();
function ShowUserSyncTable() {
var tableRecord = '';
// Loop through all the returned records and add them to select box
for (var i = 0; i < TestArray.length; i++) {
tableRecord += "<tr id=" + "" + …Run Code Online (Sandbox Code Playgroud) 我现在正在测试我的应用程序。但是,它始终在加载屏幕上崩溃。加载后,它将重定向到登录名或用户帐户(如果他们已经登录)。
但是,在构建应用程序时,我总是在android studios控制台日志中收到这些错误消息。
W/cr_CrashFileManager: /data/user/0/chrisbeckett.********/cache/WebView/Crash Reports does not exist or is not a directory
// I've put the stars as I can't show the name of the application yet.
W/cr_AwContentsClient: Denied starting an intent without a user gesture, URI http://********.********.com/login
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我当前的代码:
package chrisbeckett.**********;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Window;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
public class MainActivity extends AppCompatActivity {
private WebView mWebView;// Instance of WebChromeClient for handling all chrome functions.
private volatile WebChromeClient mWebChromeClient;
@Override
protected void onCreate(Bundle …Run Code Online (Sandbox Code Playgroud) 有人可以向我解释原因
$(".transaction_history_tab").hide();
Run Code Online (Sandbox Code Playgroud)
不会同时隐藏这两个
// Container
<tbody class="transaction_history_tab">
</tbody>
// In example this is inside the transaction_history_tab container
<div class="data-info-box">
<span>NO DATA TO SHOW</span>
</div>
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隐藏transaction_history_tab"无数据显示"后仍然出现.
$(".transaction_history_tab").hide();Run Code Online (Sandbox Code Playgroud)
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
// Without table tags around
<tbody class="transaction_history_tab">
<div class="data-info-box">
<span>NO DATA TO SHOW</span>
</div>
</tbody>Run Code Online (Sandbox Code Playgroud)
使用Rory的答案
$(".transaction_history_tab").hide();Run Code Online (Sandbox Code Playgroud)
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
// With table tags around
<table>
<thead>
<tr>
<td></td>
</tr>
</thead>
<tbody class="transaction_history_tab">
<tr>
<td>
<div class="data-info-box">
<span>NO DATA TO SHOW</span>
</div>
</td>
</tr>
</tbody>
</table>Run Code Online (Sandbox Code Playgroud)
我会如何popOver表现时,才会有与元素counter后,元素与类名相同的金额?(计数器将包含第一个元素)
示例:(使用counter = 3)
bar
bar
foo
bar
foo
foo
bar <-- PopOver would show up here
bar
bar
foo <-- PopOver would show up here
foo
foo
foo
Run Code Online (Sandbox Code Playgroud)
示例:(使用counter = 2)
bar <-- PopOver would show up here
bar
foo
bar
foo <-- PopOver would show up here
foo
bar <-- PopOver would show up here
bar
bar
foo <-- PopOver would show up here
foo
Run Code Online (Sandbox Code Playgroud)
$(".bar").each(function(){
$(this).append("<div class='popOver'>these would be recommended</div>");
}); …Run Code Online (Sandbox Code Playgroud)我的想法是在网站上为新用户制作工具提示.他们将浏览工具提示,每次完成工具提示时,它都会插入到DB中.
但是我有一个按钮skip all.所以我的想法是将所有未完成的提醒工具提示插入带有for循环的数据库中.
因此,如果没有点击工具提示,它就可以工作.因此,工具提示将等于,1因为通过$data等于0.但是,如果工具提示在通过时等于1 $data则获得a +1并且for loop似乎不会发布任何内容database
$NumberOfTooltips = 2;
(int)$data->tooltipLastID = ((int)$data->tooltipLastID === 0) ? 1 : (int)$data->tooltipLastID + 1;
for ($x = (int)$data->tooltipLastID; $x <= $NumberOfTooltips; $x++) {
$query = "";
$query = "INSERT INTO tooltips ";
$query .= "(tooltip_id, inserted) VALUES ($x, NOW())";
database::query($query);
$this->id = database::getInsertID();
}
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在断开的循环上,值为(int)$data->tooltipLastID2
是因为(int)$data->tooltipLastID已经等于$NumberOfTooltips?
我正在尝试拆分句子并在第一个单词后得到字符串.
我目前尝试过的:
var datetime = "28 Dec2.55pm";
datetime.split(/[0-9]+/);
console.log(datetime);
// This returns back all the words and no numbers.
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预期结果:
// Ethier
28 Dec 2.55pm
// Or
[0] => 28 Dec
[1] => 2.55pm
Run Code Online (Sandbox Code Playgroud)
我想对此有一些指导,你不必给出完整的答案只是一些指导.
点击时我正在尝试更改列表中的收藏夹图标.
点击之前的图标

点击后的图标

当我没有填写第一个Icon时,我希望能够更改它并将其填入.
我已经尝试过几件事,但它似乎没有用,我知道这是一项简单的任务,我只是不想浪费任何时间来解决它.有没有人有任何关于如何做到这一点的建议?
我试过的
试试1:
$(this).closest('a').next('i').remove();
$(this).closest('a').append("Appended the item");
Run Code Online (Sandbox Code Playgroud)
试试2:
$(this).closest('a').next('i').removeClass('glyphicon-star').addClass('glyphicon-star-empty');
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HTML
<li>
<a class="selectNavigationBTN active">
<i class="fa fa-dashboard fa-fw selectNavigationBTNIcon"></i>
<span class="selectNavigationBTNIcon">Server</span>
<i class="glyphicon glyphicon glyphicon-star pull-right addToFavourite"></i>
</a>
</li>
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JavaScript的
$(document).on('click', '.addToFavourite', function ()
{
// Check to see what the text value is on the button
var buttonValue = $(this).closest('a')[0].innerText;
// Switch depending on the value of which button is clicked
switch (buttonValue)
{
case " Server":
// Save server link to favourites
SaveToFavouriteLinkFile("serverBTNFav", "Server"); …Run Code Online (Sandbox Code Playgroud) 我想使用简单的jQuery来执行幻灯片div元素.但是我如何使用next()和prev()浏览幻灯片项目?
问题在于你下一步,下一步,下一步,下一步.在div终于停止,不显示; 它不会循环回到第一个div.
这是我到目前为止所得到的:
$("p.right").click(function() {
$(".item.active").removeClass("active").next(".item").addClass("active").show();
});
$("p.left").click(function() {
$(".item.active").removeClass("active").prev(".item").addClass("active").show();
});Run Code Online (Sandbox Code Playgroud)
Section {
position: relative;
height: 200px;
width: 200px;
text-align: center;
}
p {
position: absolute;
margin: 0px;
padding: 5px 10px;
background: blue;
color: #ffffff;
border-radius: 100%;
}
p.left {
top: 0px;
left: 20px;
}
p.right {
top: 0px;
right: 20px;
}
div {
display: none;
}
div.active {
display: block;
}Run Code Online (Sandbox Code Playgroud)
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<section>
<div class="item active">First Item</div> …Run Code Online (Sandbox Code Playgroud)javascript ×7
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arrays ×2
css ×2
php ×2
android ×1
docker ×1
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html ×1
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