javascript - Change an TextBoxFor readonly property on whether a checkbox is checked or not -


i'm trying change textboxfor readonly property on whether checkbox checked or not. have read other posts answers don't seem work me.. 1 please point out miss in code below.

<div class="editor-label">                 @html.labelfor(m => m.addfitbit)             </div>             <div class="editor-field" id="checkbox">                 @html.checkboxfor(m => m.addfitbit)             </div>             <div class="editor-label">                 @html.labelfor(m => m.mail)             </div>             <div class="editor-field" id="usermail">                 @html.textboxfor(m => m.mail)             </div>             <br />             <input class="submit" type="submit" value="@langresources.create" />             <button onclick="history.back(); return false;">@langresources.btncancel</button>         </div>     </article> }  @html.validationsummary(true, langresources.screenaddgeneralerror)  <script type="text/javascript">     $(function() {         $('#checkbox').change(function () {             if ($(this).is(':checked')) {                 $('#usermail').attr('readonly');             } else {                 $('#usermail').removeattr('readonly');             }         });     }); </script>

you target div contains checkbox, indeed doesn't trigger change events. target checkbox inside div this.

$(function() {     $('#checkbox input[type="checkbox"]').change(function () {         $('#usermail input[type="text"]').prop('readonly', $(this).is(':checked'));     }); });

also, corrected , simplified code using prop instead of attr. attributes should mean initial value of given property, it's better practice change corresponding element property instead.

for details using prop, see the documentation (based on @liam's comment).


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