Trouble with the Width of Selection Box Options

Encountering a peculiar issue with multiple select boxes in my project. Some of the options within the select box are exceeding the width of the box.

Proper Dropdown View:

https://i.sstatic.net/xDy6I.jpg

Incorrect Dropdown Display:

https://i.sstatic.net/S26f8.jpg

Snippet of Code: 

<div class="form-group">
  <label id="lbl_crms_customer_add_sector_title">{{'CRMS.CUSTOMER.FORM_LABEL.SECTOR' | translate}}</label>   <span class="inactive_text"> *</span>
    <select id="lbl_crms_customer_add_sector_value" class="custom-select" #sector="ngModel" name="sector" [ngModel]="BasicInfoDetails.sector">
      <!-- <option selected value="">--</option> -->
      <option *ngFor="let sectorobj of sectorList" value="{{sectorobj}}">{{sectorobj}}</option>                            
    </select>
  <span><input-errors [control]="sector"></input-errors></span>
</div>

Please note that these options are dynamically loaded from the server. Looking forward to receiving quick solutions from you all :)

htmlcssangular-clibootstrap-4

Answer №1

This behavior may seem unconventional, but it is actually the intended design.

It's worth noting that options cannot be contained within a select menu. The select element automatically adjusts its size to fit the widest option plus the dropdown arrow. If the container width is insufficient to display the full option width and dropdown arrow, an ellipsis (...) will be displayed in the select element.

Consider these alternatives:

  • Set a specific pixel width for the select element. However, if the options are wider than the browser window, ellipsis will appear at the end of each option.

  • Replace the native select with a custom-designed dropdown menu that can be styled using CSS or allow content wrapping.

Answer №2

In a previous project of mine, I encountered a similar requirement and successfully resolved it by utilizing the plugin.

You can view a demo of this implementation on JSFIDDLE

This solution involves using a JQuery plugin.

$(function() {

  $("#testselectset").selectBoxIt({
    theme: "default",
    defaultText: "Make a selection...",
    autoWidth: false
  });
  $("#testselectset").change(function() {
    alert("You selected: " + this.value + " from the Selectboxit plugin");
  });

});

Answer №3

One reason for exceeding may be that the second selection option contains more text within a single row.  Typically, the size of the element is determined by the length of the longest text.

Answer №4

Review this snippet

    <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8>
<title>Expanding Select Box on Selection</title>
<style type="text/css">
    select {
        width: 150px;
        margin: 10px;
    }
    select:focus {
        min-width: 150px;
        width: auto;
    }    
</style>
</head>
<body>
    <form>
        <select>
            <option>Choose</option>
            <option>This option is large</option>
            <option>This option is very large</option>
            <option>This option is very very large</option>
            <option>This option is very very very large</option>
        </select>
        <select>
            <option>Choose</option>
            <option>This option is large</option>
            <option>This option is very large</option>
            <option>This option is very very large</option>
            <option>This option is very very very large</option>
        </select>
    </form>
</body>
</html>

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