How to delete html in javascript

Javascript method to delete html: 1. Delete nodes through removeChild; 2. Delete the option at the specified index through remove; 3. Delete rows and cells in the table through deleteRow and deleteCell.

The operating environment of this article: windows7 system, javascript1.8.5&&html5 version, DELL G3 computer

JavaScript delete HTML element

1-Delete node

• removeChild(oldNode): Delete oldChild child node

   
 被控制的目标元素 
 

RESULT

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2- Remove the option of the list box drop-down menu

• remove(long index): Remove the option at the specified index

Result

3-Delete rows or cells of the table

• deleteRow(long index): Delete the row at index index in the table
• deleteCell(long index) : Delete the cell at the index of a row

  
 删除第行, 第列  
 
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Result

Recommended study: "javascript Advanced Tutorial》

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