How to hide option options in javascript

Methods to hide option options: 1. Use the "document.getElementById(id)" statement to obtain the specified option object based on the id value; 2. Use the "option object.style.display="none"" statement to specify The option option can be hidden.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

How to hide option options in javascript

Implementation ideas:

• Use getElementById() to obtain Specify the option option;

• Set the display="none" style to the specified option option to hide it.
  

Implementation code:

    
  请选择： 1 2 3  隐藏值为2的option选项   

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