| <\/td> <\/tr>\n<\/table> <\/td> <\/tr>\n<\/table> <\/td> <\/tr>\n<\/table> <\/td> <\/tr>\n<\/table> <\/td> <\/tr>\n<\/table><\/pre>\n The above code outputs the following display showing 5 levels of nesting of our tables differentiated through different colors. Observe the placement of tables inside one another, that is, nesting within:<\/p>\n ![\"Nested](\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172543975539022.png\") <\/p>\n
The concept of nesting within the tables becomes more interesting by visual when the programmer uses tables for formatting the complete webpage. The table can then be formatted like any other table and other HTML elements the programmer might nest within.<\/p>\n Examples of Nested Table in HTML<\/h3>\nBelow are the examples mentioned :<\/p>\n Example #1<\/h4>\nObserve the below example of a nested table, just one table within the main table. To differentiate the main table and the nested table within, we have used different border radius and border colors of the table.<\/p>\n Code:<\/strong><\/p>\n
\n \n\n| Left side of the main table<\/td>\n | \n\nNested Table<\/h4>\n\n| nested table C1<\/td>\n | nested table C2<\/td>\n<\/tr>\n | \n| nested table<\/td>\n | nested table<\/td>\n<\/tr>\n<\/table>\n<\/td>\n<\/tr>\n<\/table><\/pre>\n Output:<\/strong><\/p>\n![\"Nested](\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172543975648391.png\") <\/p>\nNote:<\/strong> The nesting of a table within the main container table. The nested table inside the main table is the one with the red-colored border. It is added in the element of the container table.\nExample #2<\/h4>\nOur following code will demonstrate the nesting of other HTML elements within the nested tables inside our main container table.<\/p>\n\n\n Code:<\/strong><\/p>\n\n\n\n\n NestedTables <\/title>\n<\/head>\n<body>\n<caption title=\"Container Table\"> Container Table <\/caption>\n<table border=\"5px\" bordercolor = \"red\">\n<tr>\n<td >\n<table>\n<tr> <th colspan=\"2\"> Nested Table 2 <\/th> <\/tr>\n<tr> <th> Column 1 <\/th> <th> Column 2 <\/th> <\/tr>\n<tr> <td> Our First Table <\/td>\n<td> Nested Within <\/td> <\/tr>\n<\/table>\n<\/td>\n<td>\n<table >\n<tr> <th> Nested Table 2 <\/th> <\/tr>\n<tr>\n<td>\n<ul>\n<li> List Object 1 <\/li>\n<li> List Object 2 <\/li>\n<li> List Object 3 <\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/table> <\/td> <\/tr>\n<tr>\n<td>\n<table>\n<tr> <th colspan=\"2\" align=\"center\"> Nested Table 3 <\/th> <\/tr>\n<tr>\n<td> <a href=\"\"> Nested Table <\/a> <\/td>\n<td> Demo Continued <\/td> <\/tr>\n<\/table> <\/td>\n<td>\n<table>\n<tr> <th> Nested Table 4 <\/th> <\/tr>\n<tr>\n<td> <img src=\"images.png\" height=\"120px\" width=\"120px\" alt=\"Sorry Image could not be displayed\"> <\/td> <\/tr> <\/table>\n<\/td>\n<\/tr>\n<\/table>\n<\/body>\n<\/html><\/pre>\n<p>The above code demonstrates how one table can contain several other tables within itself, which can contain any type of content you normally add to a simple HTML page. The above code for the same is without borders.<\/p>\n<p><img src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172543975867587.png\" alt=\"Nested Table in HTML\" ><\/p>\n<strong>Note<\/strong>: In the above example, the added HTML elements like a png file, a hyperlink, a table or a list of objects can be simply added to one of the <td> elements. In the above interpretation, I have logged off all the borders of the tables nested within.\n<p>Please observe that the tables when their borders are made visible. The container table is one with the red colored border with nested ones with blue, yellow, green and black colored borders.<\/p>\n<p><img src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172543976060094.png\" alt=\"Nested Table in HTML\" ><\/p>\n<p>It is all good to use tables for formatting a web page entirely, but one thing to remember is, the more complex your nesting is, the more your page will load slower since it becomes really complicated for your browser to do the rendering.<\/p>"} </script>
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<a href="#How-to-create-a-table-within-a-table" title="How to create a table within a table?" >How to create a table within a table?</a>
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<a href="#Examples-of-Nested-Table-in-HTML" title="Examples of Nested Table in HTML" >Examples of Nested Table in HTML</a>
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<span>Nested Table in HTML</span>
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<h1 class="Articlelist_txts_title">Nested Table in HTML</h1>
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<p>‘Nested Table’ is one of the most important concepts while using tables in HTML coding. The nested tables or ‘tables within table’ is a concept used while creating bigger and complex tables. Most of the complex and large tables might include nesting of tables within the main table to have better control in the coding. Using nested tables might help create beautiful and interesting appearances and visuals, but it can create loose end errors.</p>
<p>Sure, it becomes trickier when you start using nested tables because of all the tags and elements you need to code and maintain and handle while creating tables within tables. But once you get hold of such a concept and dab into such complexity, it does get a lot easier to juggle tags within.</p>
<h3 id="How-to-create-a-table-within-a-table">How to create a table within a table?</h3>
<p>A table can be created within another table by simply using the table tags like <table>, <tr>, <td>, etc., to create our nested table. Since nesting tables can lead to higher complexity levels, remember to begin and end the nesting tables within the same cell. You can create nested tables to any number of levels; just remember to create an inner table inside the same cell.</p>
<p>Below is an interpretation of nested tables. The below image shows a five-level nesting of tables, with the color ‘Blue’ as the outermost or the container table with nested tables represented with colors White, Red, Yellow, and Green.</p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543975415320.png" class="lazy" alt="Nested Table in HTML" ></p>
<p>We will try and create another example of nested tables step by step this time.</p>
<ul>
<li>First, we need the main table, the container for us to start our nesting.</li>
<li>Second, decide in which row or column or cell you want another table to exist. Once decided, move to the next step</li>
<li><td> is the element where an entirely new table will be created. Going hierarchically,<table>….<br>
<tr>….<br>
<td><br>
(nested table here)<br>
</td><br>
</tr><br>
</table></li>
<li>The nested table inside must be closed completely with all its standard rules for closing <tr> and <td> elements.</li>
<li>Formatting the nested table is as simple and similar to any other element of HTML.</li>
</ul>
<p>The above example had the main container, a table with two columns and a nested table within two rows and two columns.</p>
<p>Now observe the below example of nested tables. What we discussed as an interpretation of levels of nesting above, we will try to create such an example through coding below.</p>
<p><strong>Code:</strong></p>
<pre class="brush:php;toolbar:false"><body>
<table border="10" bordercolor = "#0B1941">
<tr>
<td>
<table border="10" bordercolor = "#F8F3F3">
<tr>
<td>
<table border="10" bordercolor = "#C74D4F">
<tr>
<td>
<table border="10" bordercolor = "#DCE127">
<tr>
<td>
<table border="10" bordercolor = "#3CAB16">
<tr> <td> </td> </tr>
</table> </td> </tr>
</table> </td> </tr>
</table> </td> </tr>
</table> </td> </tr>
</table></pre>
<p>The above code outputs the following display showing 5 levels of nesting of our tables differentiated through different colors. Observe the placement of tables inside one another, that is, nesting within:</p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543975539022.png" class="lazy" alt="Nested Table in HTML" ></p>
<p>The concept of nesting within the tables becomes more interesting by visual when the programmer uses tables for formatting the complete webpage. The table can then be formatted like any other table and other HTML elements the programmer might nest within.</p>
<h3 id="Examples-of-Nested-Table-in-HTML">Examples of Nested Table in HTML</h3>
<p>Below are the examples mentioned :</p>
<h4 id="Example">Example #1</h4>
<p>Observe the below example of a nested table, just one table within the main table. To differentiate the main table and the nested table within, we have used different border radius and border colors of the table.</p>
<p><strong>Code:</strong></p>
<pre class="brush:php;toolbar:false"><body>
<table border="5px" bordercolor="#8707B0">
<tr>
<td>Left side of the main table</td>
<td>
<table border="5px" bordercolor="#F35557">
<h4 align="center">Nested Table</h4>
<tr>
<td>nested table C1</td>
<td>nested table C2</td>
</tr>
<tr>
<td>nested table</td>
<td>nested table</td>
</tr>
</table>
</td>
</tr>
</table></pre>
<p><strong>Output:</strong></p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543975648391.png" class="lazy" alt="Nested Table in HTML" ></p>
<strong>Note:</strong> The nesting of a table within the main container table. The nested table inside the main table is the one with the red-colored border. It is added in the <td> element of the container table.
<h4 id="Example">Example #2</h4>
<p>Our following code will demonstrate the nesting of other HTML elements within the nested tables inside our main container table.</p>
<p><strong>Code:</strong></p>
<pre class="brush:php;toolbar:false"><!doctype html>
<html>
<head>
<meta charset="utf-8">
<title> NestedTables </title>
</head>
<body>
<caption title="Container Table"> Container Table </caption>
<table border="5px" bordercolor = "red">
<tr>
<td >
<table>
<tr> <th colspan="2"> Nested Table 2 </th> </tr>
<tr> <th> Column 1 </th> <th> Column 2 </th> </tr>
<tr> <td> Our First Table </td>
<td> Nested Within </td> </tr>
</table>
</td>
<td>
<table >
<tr> <th> Nested Table 2 </th> </tr>
<tr>
<td>
<ul>
<li> List Object 1 </li>
<li> List Object 2 </li>
<li> List Object 3 </li>
</ul>
</td>
</tr>
</table> </td> </tr>
<tr>
<td>
<table>
<tr> <th colspan="2" align="center"> Nested Table 3 </th> </tr>
<tr>
<td> <a href=""> Nested Table </a> </td>
<td> Demo Continued </td> </tr>
</table> </td>
<td>
<table>
<tr> <th> Nested Table 4 </th> </tr>
<tr>
<td> <img src="images.png" height="120px" width="120px" alt="Sorry Image could not be displayed"> </td> </tr> </table>
</td>
</tr>
</table>
</body>
</html></pre>
<p>The above code demonstrates how one table can contain several other tables within itself, which can contain any type of content you normally add to a simple HTML page. The above code for the same is without borders.</p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543975867587.png" class="lazy" alt="Nested Table in HTML" ></p>
<strong>Note</strong>: In the above example, the added HTML elements like a png file, a hyperlink, a table or a list of objects can be simply added to one of the <td> elements. In the above interpretation, I have logged off all the borders of the tables nested within.
<p>Please observe that the tables when their borders are made visible. The container table is one with the red colored border with nested ones with blue, yellow, green and black colored borders.</p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543976060094.png" class="lazy" alt="Nested Table in HTML" ></p>
<p>It is all good to use tables for formatting a web page entirely, but one thing to remember is, the more complex your nesting is, the more your page will load slower since it becomes really complicated for your browser to do the rendering.</p><p>The above is the detailed content of Nested Table in HTML. For more information, please follow other related articles on the PHP Chinese website!</p>
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<img src="/static/imghw/eyess.png" alt="" />
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<a href="http://www.miracleart.cn/faq/1796829178.html" title="Declaring the correct HTML5 doctype for modern pages." class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/175148132111973.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="Declaring the correct HTML5 doctype for modern pages." />
</a>
<a href="http://www.miracleart.cn/faq/1796829178.html" title="Declaring the correct HTML5 doctype for modern pages." class="phphistorical_Version2_mids_title">Declaring the correct HTML5 doctype for modern pages.</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 03, 2025 am 02:35 AM</span>
<p class="Articlelist_txts_p">Doctype is a statement that tells the browser which HTML standard to use to parse the page. Modern web pages only need to be written at the beginning of the HTML file. Its function is to ensure that the browser renders the page in standard mode rather than weird mode, and must be located on the first line, with no spaces or comments in front of it; there is only one correct way to write it, and it is not recommended to use old versions or other variants; other such as charset, viewport, etc. should be placed in part.</p>
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<div id="377j5v51b" class="phphistorical_Version2_mids">
<a href="http://www.miracleart.cn/faq/1796829167.html" title="Implementing client-side form validation using HTML attributes." class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/175148109151878.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="Implementing client-side form validation using HTML attributes." />
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<a href="http://www.miracleart.cn/faq/1796829167.html" title="Implementing client-side form validation using HTML attributes." class="phphistorical_Version2_mids_title">Implementing client-side form validation using HTML attributes.</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 03, 2025 am 02:31 AM</span>
<p class="Articlelist_txts_p">Client-sideformvalidationcanbedonewithoutJavaScriptbyusingHTMLattributes.1)Userequiredtoenforcemandatoryfields.2)ValidateemailsandURLswithtypeattributeslikeemailorurl,orusepatternwithregexforcustomformats.3)Limitvaluesusingmin,max,minlength,andmaxlen</p>
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<div id="377j5v51b" class="phphistorical_Version2_mids">
<a href="http://www.miracleart.cn/faq/1796829956.html" title="How to group options within a select dropdown using html?" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/175157020270129.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="How to group options within a select dropdown using html?" />
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<a href="http://www.miracleart.cn/faq/1796829956.html" title="How to group options within a select dropdown using html?" class="phphistorical_Version2_mids_title">How to group options within a select dropdown using html?</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 04, 2025 am 03:16 AM</span>
<p class="Articlelist_txts_p">Use tags in HTML to group options in the drop-down menu. The specific method is to wrap a group of elements and define the group name through the label attribute, such as: 1. Contains options such as apples, bananas, oranges, etc.; 2. Contains options such as carrots, broccoli, etc.; 3. Each is an independent group, and the options within the group are automatically indented. Notes include: ① No nesting is supported; ② The entire group can be disabled through the disabled attribute; ③ The style is restricted and needs to be beautified in combination with CSS or third-party libraries; plug-ins such as Select2 can be used to enhance functions.</p>
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<div id="377j5v51b" class="phphistorical_Version2_mids">
<a href="http://www.miracleart.cn/faq/1796835653.html" title="Integrating CSS and JavaScript effectively with HTML5 structure." class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/175226046128038.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="Integrating CSS and JavaScript effectively with HTML5 structure." />
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<a href="http://www.miracleart.cn/faq/1796835653.html" title="Integrating CSS and JavaScript effectively with HTML5 structure." class="phphistorical_Version2_mids_title">Integrating CSS and JavaScript effectively with HTML5 structure.</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 12, 2025 am 03:01 AM</span>
<p class="Articlelist_txts_p">HTML5, CSS and JavaScript should be efficiently combined with semantic tags, reasonable loading order and decoupling design. 1. Use HTML5 semantic tags, such as improving structural clarity and maintainability, which is conducive to SEO and barrier-free access; 2. CSS should be placed in, use external files and split by module to avoid inline styles and delayed loading problems; 3. JavaScript is recommended to be introduced in front, and use defer or async to load asynchronously to avoid blocking rendering; 4. Reduce strong dependence between the three, drive behavior through data-* attributes and class name control status, and improve collaboration efficiency through unified naming specifications. These methods can effectively optimize page performance and collaborate with teams.</p>
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<div id="377j5v51b" class="phphistorical_Version2_mids">
<a href="http://www.miracleart.cn/faq/1796831880.html" title="Implementing Clickable Buttons Using the HTML button Element" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/175182671121571.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="Implementing Clickable Buttons Using the HTML button Element" />
</a>
<a href="http://www.miracleart.cn/faq/1796831880.html" title="Implementing Clickable Buttons Using the HTML button Element" class="phphistorical_Version2_mids_title">Implementing Clickable Buttons Using the HTML button Element</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 07, 2025 am 02:31 AM</span>
<p class="Articlelist_txts_p">To use HTML button elements to achieve clickable buttons, you must first master its basic usage and common precautions. 1. Create buttons with tags and define behaviors through type attributes (such as button, submit, reset), which is submitted by default; 2. Add interactive functions through JavaScript, which can be written inline or bind event listeners through ID to improve maintenance; 3. Use CSS to customize styles, including background color, border, rounded corners and hover/active status effects to enhance user experience; 4. Pay attention to common problems: make sure that the disabled attribute is not enabled, JS events are correctly bound, layout occlusion, and use the help of developer tools to troubleshoot exceptions. Master this</p>
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<div id="377j5v51b" class="phphistorical_Version2_mids">
<a href="http://www.miracleart.cn/faq/1796832574.html" title="Submitting Form Data Using New HTML5 Methods (FormData)" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/175191288234525.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="Submitting Form Data Using New HTML5 Methods (FormData)" />
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<a href="http://www.miracleart.cn/faq/1796832574.html" title="Submitting Form Data Using New HTML5 Methods (FormData)" class="phphistorical_Version2_mids_title">Submitting Form Data Using New HTML5 Methods (FormData)</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 08, 2025 am 02:28 AM</span>
<p class="Articlelist_txts_p">It is more convenient to submit form data using HTML5's FormData API. 1. It can automatically collect form fields with name attribute or manually add data; 2. It supports submission in multipart/form-data format through fetch or XMLHttpRequest, which is suitable for file upload; 3. When processing files, you only need to append the file to FormData and send a request; 4. Note that the same name field will be overwritten, and JSON conversion and no nesting structure need to be handled.</p>
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