Full version: jsB@nk » Form » Dropdown » Add Remove Options
URL: https://www.javascriptbank.com/add-remove-options.html
Add or remove objects in a select list, using the DOM. This JavaScript was written to work with DOM Level 1 and DOM Level 2 capable browsers, with try/catch logic included for IE use.
Full version: jsB@nk » Form » Dropdown » Add Remove Options
URL: https://www.javascriptbank.com/add-remove-options.html
<script language="javascript"><!--// Created by: Keith Jenci :: http://www.mredkj.com/var count1 = 0;var count2 = 0;function insertOptionBefore(num) { var elSel = document.getElementById('selectX'); if (elSel.selectedIndex >= 0) { var elOptNew = document.createElement('option'); elOptNew.text = 'Insert' + num; elOptNew.value = 'insert' + num; var elOptOld = elSel.options[elSel.selectedIndex]; try { elSel.add(elOptNew, elOptOld); // standards compliant; doesn't work in IE } catch(ex) { elSel.add(elOptNew, elSel.selectedIndex); // IE only } }}function removeOptionSelected() { var elSel = document.getElementById('selectX'); var i; for (i = elSel.length - 1; i>=0; i--) { if (elSel.options[i].selected) { elSel.remove(i); } }}function appendOptionLast(num) { var elOptNew = document.createElement('option'); elOptNew.text = 'Append' + num; elOptNew.value = 'append' + num; var elSel = document.getElementById('selectX'); try { elSel.add(elOptNew, null); // standards compliant; doesn't work in IE } catch(ex) { elSel.add(elOptNew); // IE only }}function removeOptionLast() { var elSel = document.getElementById('selectX'); if (elSel.length > 0) { elSel.remove(elSel.length - 1); }}//--></script><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com--><form><select id="selectX" size="8" multiple="multiple"> <option value="original1" selected="selected">Original 1</option> <option value="original2">Original 2</option></select><br><input value="Insert Before Selected" onclick="insertOptionBefore(count1++);" type="button"><br><input value="Remove Selected" onclick="removeOptionSelected();" type="button"><br><input value="Append Last Entry" onclick="appendOptionLast(count2++);" type="button"><br><input value="Remove Last Entry" onclick="removeOptionLast();" type="button"></form><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->