The text box can only select data into the text box and prohibit manual input_jquery

I encountered a problem today in Suzhou. The text box can only be filled with selected data. Manual entry is not possible. Checked the information. The final solution is as follows.

Page code:

Copy code The code is as follows:

Script (giving text Used when assigning values ​​to the box):

Copy code The code is as follows:

$("#id ").removeAttr("readonly"); //Remove the readonly attribute
$("#id").val("Your value");
$("#id").attr("readonly ","readonly"); //Add the readonly attribute

This achieves this small function
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