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javascript - How to set up jquery or js to monitor web page refresh and browser closing

How to set up jquery or js to monitor web page refresh and browser closing

阿神 2017-05-16 13:38:03

Add properties to JavaScript objects using variables as keys?

I'm using jQuery to extract items from the DOM and want to set the properties of the object using the id of the DOM element.

P粉071559609 2023-08-24 18:04:17

Why can't jQuery or getElementById locate the element?

What are the possible reasons why document.getElementById, $("#id") or any other DOM method/jQuery selector cannot find the element? Example issues include: jQuery silently fails to bind event handlers jQuery "getter" methods (.val(), >.html(), .text()) return undefined Standa...

P粉575055974 2023-10-15 14:53:18

Why can't jQuery or DOM methods like getElementById locate elements?

What are the possible reasons why document.getElementById, $("#id") or any other DOM method/jQuery selector cannot find the element? Example issues include: jQuery silently fails to bind event handlers jQuery "getter" methods (.val(), .html(), .text()) return undefined Standard D...

P粉720716934 2023-10-15 15:40:06

javascript - How to separate a set of obtained data with commas in jquery?

As shown in the figure, on the right side, take the span value of the selected row of the checkbox in all li. The displayed results are connected together, such as 1234. How can I separate them with commas and display them as 1, 2, 3, and 4?

巴扎黑 2017-05-16 13:39:55

How to make table cells into hyperlinks

How can I set an entire table cell as a hyperlink without using JavaScript or jQuery? I tried putting the href in the td tag itself but that didn't work in Chrome18 at least. <tdstyle="cursor:pointer">

P粉129731808 2023-08-23 23:28:05

How to make a CSS animation run every time a subsequent class is added to an element

I have a CSS animation class set up so I can animate elements. When the input button is clicked this class will be added to and I want it to fly to the screen every time the input button in the example is clicked. However, it only works the first time, any subsequent input clicks will not animate th...

P粉714780768 2023-09-09 22:36:42

javascript - Is there a plug-in for jquery to select colors like this? Just set the numerical value?

(www.sf.gg) is China's leading developer technology community. We hope to provide a pure, high-quality technical exchange platform for programming enthusiasts, learn, communicate and grow with developers, and create an era for developers!

高洛峰 2017-05-19 10:36:10

angular.js - How to dynamically set the minimum height in angular

HTML structure: {Code...} What I want to achieve is: dynamically set a min-height for the article as: visible area height-header height-footer height to avoid the footer appearing in the middle of the page. I am using angularjs and do not plan to introduce jquery, so naturally I cannot use $(documen...

phpcn_u1582 2017-05-15 16:58:17

JavaScript allows access to CSS custom properties (also known as CSS variables)

How to get and set CSS custom properties (properties accessed via var(…) in a stylesheet) using JavaScript (plain or jQuery)? Here is my unsuccessful attempt: clicking the button changes the usual font-weight property, but not the custom --mycolor property: <html><head><scriptsrc=&quo...

P粉420868294 2023-10-20 22:42:04

angular.js - How does angularjs detect whether multiple items are selected and collect the id of the row data where they are located?

I know that jquery can operate the dom to check and then obtain it. But I just learned angularjs and I don’t know much about it. As follows: This is the {code...} in thead. This is the tbody: {code...} This is the diagram: My question is: How to determine whether these checkboxes are selected and se...

阿神 2017-05-15 17:01:07

javascript - How to locate which js is called by an action without interrupting point debugging?

It's easy to write your own code to set breakpoints, and Firebug will jump directly to the breakpoint. However, there is often an annoyance. When looking at other people's code, a lot of js is loaded on it. Since js and jquery are usually event-bound, js actions are not directly written in html tags...

滿天的星座 2017-06-26 10:58:40

angular.js - How to make Angular ng-hide take effect immediately?

How does Angular ng-hide take effect immediately? I need to set $scope.isHide and ng-hide to take effect before executing the subsequent code in the controller, such as drawing a chart based on the height and width of the container. Drawing a chart without hiding it on the DOM will cause the height ...

巴扎黑 2017-05-15 17:12:30

Way to keep selected item in sidebar menu on top after page reload

I have a scrolling sidebar menu. So when I select a menu item it should appear at the top position of the sidebar. There is no problem setting up the active menu. I got it. But I can't set the top position of the sidebar. Please don't recommend jQuery. Instead I was suggested to use plain JavaScript...

P粉955063662 2024-02-17 14:49:08

How can I wrap a set of HTML elements within a parent HTML element using JavaScript or jQuery and keep them within each parent element?

I'm trying to wrap all tags within one tag within another tag using JavaScript or jQuery. I want to find all elements with class name wpb_wrapper, then find all the tags within them, and wrap those tag groups in a separate tag within each wpb_wrapper, so that the child tag groups within each wpb_wra...

P粉204136428 2023-08-17 15:27:06

Need a jquery script to move selected options from a select box based on the end user's current selection

I have an HTML page where the end user can rank our items via a select box element. See the fiddle to see a simple demo: https://jsfiddle.net/Balkanlii/ghecv1j8/1/ I want to build a jquery script that in the event the same ranking is selected a second time (if the end user changes their mind etc.) w...

P粉170858678 2024-04-04 18:40:04

標(biāo)題重寫(xiě)：Bug in my quiz causes infinite score increase when correct answer is pressed multiple times

So, I'm creating a CSS animation for my degree, and I have the quiz set up so that it loops through questions with specific answers, the quiz is fully functional, etc... However, I noticed that when correct The score will increase when an answer is pressed for the first time, even if the answer has ...

P粉312195700 2024-02-21 19:36:54

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59

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