javascript - JS to populate Bootstrap modal with selected text only seems to work once -


i'm using boostrap create modal dialog allows users enter comments on given page. wanted expand allow me capture selected text , add content field in modal:

$( document ).on("shown.bs.modal", function(){  var selectedtext = '';  var selectedtext = window.getselection().tostring();  if(selectedtext != "") {    $('#comment_content').val("> " + selectedtext);  } });

#comment_content id of input field modal form.

this works great first time modal shown, fails work on subsequent uses.

whenever click comment button selected text:

%a.btn.btn-primary.btn-sm{:id => 'comments_toggle', "data-toggle" => "modal", "data-target" => "#commentmodal"}   post comment

i modal back, selection isn't applied #comment_content field.

the other interesting thing, perhaps, won't work on page reload, either. until tab page destroyed, or until go page, every click of button text selected gives me empty #comment_content field.

try embed click function button:

$( document ).on("shown.bs.modal", function(){   $('#comments_toggle').click(function(){    var selectedtext = '';    var selectedtext = window.getselection().tostring();    if(selectedtext != "") {      $('#comment_content').val("> " + selectedtext);    }   }); });

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