Detailed explanation of dynamically generated tables using javascript

Detailed explanation of dynamically generated tables using javascript

*Create a page: two input boxes and a button

*Code and steps
/*
1. Get the input row and column values
2. Generate a table
** Loop rows
** Loop through cells in a row
3. Display on the page
- Set the table code inside the div
- Use the innerHTML property
*/

The code is as follows:

<html>
 <head>
  <title>Dynamically generate table</title>
  <style type = "text/css">
  </style>
 </head>
 <body>
   Line: <input type="text" id="h"/><br/>
   Column: <input type="text" id="l"/><br/>
   <input type="button" value="Generate" onclick="add1()"/>
   <div id="divv">
   </div>
 </body>
 <script type="text/javascript">
	function add1(){
		/*
			1. Get the input row and column values ​​2. Generate a table - Loop through rows - Loop through cells in a row 3. Display on the page - Use the innerHTML attribute to set the table code inside a div */
		var h =document.getElementById("h").value;
		//alert(h);
		var l =document.getElementById("l").value;
		var tab = "<table border='1' bordercolor='red'>";
		for(var i=0;i<h;i++){
			tab += "<tr>";
			for(var j=0;j<l;j++){
				tab +="<td>aaaa</td>"
			}
			tab +="</tr>"
		}
		tab +="</table>";
		var div1 = document.getElementById("divv");
		div1.innerHTML = tab;
	}
   </script>
</html>

Effect diagram demonstration:

Summarize

This article ends here. I hope it can be helpful to you. I also hope that you can pay more attention to more content on 123WORDPRESS.COM!

You may also be interested in:
  • Detailed explanation of how to implement dynamic tables in JavaScript
  • JavaScript to achieve dynamic color change of table
  • JavaScript to achieve dynamic table effect
  • JavaScript to implement a simple dynamic table
  • JavaScript to dynamically generate tables on web pages
  • Example of dynamically generating a table with JavaScript
  • Detailed explanation of how to generate dynamic tables and dynamic effects using JavaScript

<<:  Binary Type Operations in MySQL

>>:  Docker Gitlab+Jenkins+Harbor builds a persistent platform operation

Recommend

Example of using the href attribute and onclick event of a tag

The a tag is mainly used to implement page jump, ...

Solution to VMware virtual machine no network

Table of contents 1. Problem Description 2. Probl...

Vue implements the product tab of the product details page function

This article example shares the specific code of ...

Detailed explanation of primitive values ​​and reference values ​​in ECMAScript

Table of contents Preface What are dynamic proper...

js to achieve interesting countdown effect

js interesting countdown case, for your reference...

Detailed explanation of the principle and function of JavaScript closure

Table of contents Introduction Uses of closures C...

Implementation of restoring data by directly copying files in the data directory in mysql

mysql copies the files in the data directory to r...

echars 3D map solution for custom colors of regions

Table of contents question extend Solving the pro...

Vue+ElementUI implements paging function-mysql data

Table of contents 1. Problem 2. Solution 2.1 Pagi...

JavaScript to achieve window display effect

This article shares the specific code of JavaScri...

Tutorial on installing MYSQL5.7 from OEL7.6 source code

First, download the installation package from the...

Let me teach you how to use font icons in CSS

First of all, what is a font icon? On the surface...

How to solve the synchronization delay caused by MySQL DDL

Table of contents Preface Solution Tool Introduct...

Top 10 Time-Saving Tips to Shorten Web App Development (Graphical Tutorial)

In today's development environment, fast is b...

When catalina.bat is set to UTF-8 in Tomcat, garbled characters appear on the console

1. The catalina.bat must be set to UTF-8. If I do...