Web Front-endCSS TutorialDetailed explanation of the specific differences between display:none and visible:hidden in cssDetailed explanation of the specific differences between display:none and visible:hidden in css
display:none is treated as not existing and not loaded, that is, the physical space is not reserved for the hidden object, that is, the object completely disappears from the page.
visibility:hidden hides, but retains the position when browsing, that is, the object is invisible on the web page, but the space occupied by the object on the web page does not change.
After using the display:none attribute, the width, height and other attribute values of the HTML element (object) will be "lost";
Use visibility:hidden After the attribute, the HTML element (object) is only visually invisible (completely transparent), while the spatial position it occupies still exists. That is to say, it still has attribute values such as height and width.
Code demonstration:
Initial state of the table:
<!DOCTYPE html><html lang="en"><head>
<meta charset="UTF-8">
<title></title></head><body>
<table id="table1" style="border: 2px dashed red;background-color: #e2e2e2;padding: 5px">
<tr>
<td>A1 </td>
<td>A2 </td>
</tr>
<tr>
<td>B1 </td>
<td>B2 </td>
</tr>
</table></body></html>The effect is as follows:
After adding style="max-width:90%" to the tr in the second row of the table:
Add style="visibility to the tr in the second row of the table: hidden":
Both display:none and visible:hidden can hide an element on the web page, but there is a difference between the two:
display:none ---Do not reserve the physical space for the hidden object, that is, the object completely disappears from the page. In layman's terms, it cannot be seen or touched.
visible:hidden--- Makes the object invisible on the web page, but the space occupied by the object on the web page does not change. In layman's terms, it means that it cannot be seen but can be touched.
Example:
<html> <head> <title>display:none和visible:hidden的区别</title> </head> <body > <span style="display:none; background-color:Blue">隐藏区域</span><span style=" background-color:Green">显示区域</span><br /> <span style="visibility:hidden; background-color:Blue">隐藏区域</span><span style="background-color:Green">显示区域</span> </body> </html>
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