Home Web Front-end JS Tutorial How to dynamically operate table rows with jquery (with code)

How to dynamically operate table rows with jquery (with code)

Apr 25, 2018 pm 05:55 PM
jquery sheet

This time I will bring you the method of dynamically operating table rows in jquery (with code). What are the precautions for dynamically operating table rows in jquery? Here is a practical case, let’s take a look.

<script src="jquery/jquery-1.3.1.js"></script>
<style type="text/css">
body{background:#FFFFFF;}
</style>
</head>
<body>
<script>
 $(function(){
 var show_count = 20;   //要显示的条数
 var count = $("input:text").val();    //递增的开始值,这里是你的ID
 var fin_count = parseInt(count) + (show_count-1);   //结束递增的条件
 $("#btn_addtr").click(function(){
 if(count < fin_count)    //点击时候,如果当前的数字小于递增结束的条件
 {
 $("tr:eq(1)").clone().appendTo("table");   //在表格后面添加一行
 $("tr:last td input:first").val(++count);   //改变添加的行的ID值。
 }
 });
 });
 function deltr(){
 var length=$("tr").length;
 if(length<=2){
 alert("至少保留一行");
 }else{
 $("tr:last").remove();
 }
 }
</script>
<input type="button" id="btn_addtr" value="增行">
<table id="dynamicTable" width="700" border="0" cellspacing="0" cellpadding="0">
  <tr>
    <td height="30" align="center" bgcolor="#CCCCCC">ID</td>
    <td align="center" bgcolor="#CCCCCC">Username</td>
    <td align="center" bgcolor="#CCCCCC">Usertype</td>
    <td align="center" bgcolor="#CCCCCC">Other</td>
 <td></td>
  </tr>
  <tr>
    <td height="30" align="center"><input type="text" size="2" value="1" /></td>
    <td align="center"><input type="text" name="username" /></td>
    <td align="center">
      <select name="type">
    <option value="1">Administrator</option>
    <option value="2">Guest</option>
      </select>
    </td>
    <td align="center"><input type="text" name="username2" /></td>
 <td><input type="button" id="btn_deltr" onclick="deltr()" value="删行"></td>
  </tr>
</table>
</body>
Copy after login

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:

jQuery imitation Alipay homepage focus image effect

Let Ajax achieve asynchronous refresh without using plug-ins

ajax request operation return data sequence

The above is the detailed content of How to dynamically operate table rows with jquery (with code). For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Steps to adjust the format of pictures inserted in PPT tables Steps to adjust the format of pictures inserted in PPT tables Mar 26, 2024 pm 04:16 PM

1. Create a new PPT file and name it [PPT Tips] as an example. 2. Double-click [PPT Tips] to open the PPT file. 3. Insert a table with two rows and two columns as an example. 4. Double-click on the border of the table, and the [Design] option will appear on the upper toolbar. 5. Click the [Shading] option and click [Picture]. 6. Click [Picture] to pop up the fill options dialog box with the picture as the background. 7. Find the tray you want to insert in the directory and click OK to insert the picture. 8. Right-click on the table box to bring up the settings dialog box. 9. Click [Format Cells] and check [Tile images as shading]. 10. Set [Center], [Mirror] and other functions you need, and click OK. Note: The default is for pictures to be filled in the table

How to make a table for sales forecast How to make a table for sales forecast Mar 20, 2024 pm 03:06 PM

Being able to skillfully make forms is not only a necessary skill for accounting, human resources, and finance. For many sales staff, learning to make forms is also very important. Because the data related to sales is very large and complex, and it cannot be simply recorded in a document to explain the problem. In order to enable more sales staff to be proficient in using Excel to make tables, the editor will introduce the table making issues about sales forecasting. Friends in need should not miss it! 1. Open [Sales Forecast and Target Setting], xlsm, to analyze the data stored in each table. 2. Create a new [Blank Worksheet], select [Cell], and enter [Label Information]. [Drag] downward and [Fill] the month. Enter [Other] data and click [

How to set WPS value to automatically change color according to conditions_Steps to set WPS table value to automatically change color according to condition How to set WPS value to automatically change color according to conditions_Steps to set WPS table value to automatically change color according to condition Mar 27, 2024 pm 07:30 PM

1. Open the worksheet and find the [Start]-[Conditional Formatting] button. 2. Click Column Selection and select the column to which conditional formatting will be added. 3. Click the [Conditional Formatting] button to bring up the option menu. 4. Select [Highlight conditional rules]-[Between]. 5. Fill in the rules: 20, 24, dark green text with dark fill color. 6. After confirmation, the data in the selected column will be colored with corresponding numbers, text, and cell boxes according to the settings. 7. Conditional rules without conflicts can be added repeatedly, but for conflicting rules WPS will replace the previously established conditional rules with the last added rule. 8. Repeatedly add the cell columns after [Between] rules 20-24 and [Less than] 20. 9. If you need to change the rules, you can just clear the rules and then reset the rules.

Do you know how to sum a Word table? Do you know how to sum a Word table? Mar 21, 2024 pm 01:10 PM

Sometimes, we often encounter counting problems in Word tables. Generally, when encountering such problems, most students will copy the Word table to Excel for calculation; some students will silently pick up the calculator. Calculate. Is there a quick way to calculate it? Of course there is, in fact the sum can also be calculated in Word. So, do you know how to do it? Today, let’s take a look together! Without further ado, friends in need should quickly collect it! Step details: 1. First, we open the Word software on the computer and open the document that needs to be processed. (As shown in the picture) 2. Next, we position the cursor on the cell where the summed value is located (as shown in the picture); then, we click [Menu Bar

How to switch tables horizontally and vertically in word How to switch tables horizontally and vertically in word Mar 20, 2024 am 09:31 AM

Word software is indispensable to us and needs to be used frequently. I have learned how to edit tables using Word software before. However, if I accidentally edit the table in the horizontal and vertical directions, and I don’t want to waste time re-creating it, is it possible to change the horizontal and vertical directions of the table? Woolen cloth? The answer is of course yes. Next, the editor will introduce to you in detail how to swap tables horizontally and vertically in Word. Let us learn together. First, we need to swap the rows and columns of the Word table below. To do this, we need to first select the table entirely, then right-click and select the copy function. Step 2: After selecting copy, we minimize word, then open an Excel table, right-click, select paste, and paste it into Exc

What are the tips for novices to create forms? What are the tips for novices to create forms? Mar 21, 2024 am 09:11 AM

We often create and edit tables in excel, but as a novice who has just come into contact with the software, how to use excel to create tables is not as easy as it is for us. Below, we will conduct some drills on some steps of table creation that novices, that is, beginners, need to master. We hope it will be helpful to those in need. A sample form for beginners is shown below: Let’s see how to complete it! 1. There are two methods to create a new excel document. You can right-click the mouse on a blank location on the [Desktop] - [New] - [xls] file. You can also [Start]-[All Programs]-[Microsoft Office]-[Microsoft Excel 20**] 2. Double-click our new ex

How to insert automatic numbering or serial numbers into Word tables How to insert automatic numbering or serial numbers into Word tables Mar 20, 2024 am 09:30 AM

When we make tables, the first thing we think of is to use Excel software to make tables. But did you know that Word software is actually very convenient to make tables. Sometimes when we make tables in Word software, we need to enter serial numbers or numbers. , if you enter them one by one manually, it will be very troublesome. In fact, there is an operation in the word software that can automatically insert numbers or serial numbers. So let’s learn with the editor how to insert automatic numbering or serial numbers into Word tables. . 1. First create a Word document and insert a table. 2. Select the column or cell where you want to insert automatic serial numbers or numbers. 3. Click &quot;Start&quot; - &quot;Number&quot;. 4. Select one of the style numbers. 5.

How to use PUT request method in jQuery? How to use PUT request method in jQuery? Feb 28, 2024 pm 03:12 PM

How to use PUT request method in jQuery? In jQuery, the method of sending a PUT request is similar to sending other types of requests, but you need to pay attention to some details and parameter settings. PUT requests are typically used to update resources, such as updating data in a database or updating files on the server. The following is a specific code example using the PUT request method in jQuery. First, make sure you include the jQuery library file, then you can send a PUT request via: $.ajax({u

See all articles