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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:
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> </head> <body> 请选择:<select> <option value="1" selected>1</option> <option id="opt" value="2">2</option> <option value="3">3</option> </select> <button id="btn">隐藏值为2的option选项</button> <script> function my(id) { return document.getElementById(id); } my("btn").onclick = function() { my("opt").style.display="none"; } </script> </body> </html>
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