Dropdown Hyphen and text. ex CSE - 123

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I need to design the form field like as

A drop-down list then a Hyphen then a text field so output will be

CSE - 123

I also store the data in database so there will be one name. if one name not possible then I can concat it.

But How can I design the field with a dropdown and hyphen and text field.

Help Me. Thanks in advance.

enter image description here

forms html
1 Answers

We can create select normally. But there is an issue with limiting the length of text field. So I added JavaScript for that.

<select name="course">
  <option value="CSE">CSE</option>
  <option value="EEE">EEE</option>
  <option value="HSS">HSS</option>
  <option value="ENG">ENG</option>
</select>
 - 
<input type="number" onKeyPress="if(this.value.length==3) return false;">
user_137861030
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