how to validate dropdown selected value in javascript?
8482
['function Dropdown_Validation(ddlId) {', 'var ddl = document.getElementById(ddlId);', 'var ddlText = ddl.options[ddl.selectedIndex].text;', 'if (ddlText == "-Select-") {', "alert('Please select an item');", 'return false;', '} return true;']
958386
['const mySel = document. getElementById("theIDofYourSelect");', 'mySel. ... ', 'localStorage. ... ', '});', 'let val = localStorage. ... ', 'if (val) mySel. ... ', '// trigger the change in case there are other events on the select.', 'mySel.']
1397972
['my dropdownlist code : @Html.DropDownList( "ClientTypeId", null, new {@class="table",style="width: 70%; height:100%;"}) – Ahmad Zeineddin Apr 7 \'16 at 8:17.', "Your dropdown needs to be inside the form (and remove new { ClientTypeId = 1 } from the form) – user3559349 Apr 7 '16 at 8:19."]
852440
['To clear selected items in the DropDownList from Code behind, we can use the ClearSelection method. ... ', 'Clearing the selection by setting SelectedIndex property to -1.', 'Clearing the selected value by setting an empty string to Value property.']
121526
To get Selected value of drop down list use . val() function of jQuery. Suppose I have drop down list in my web page: <select id="sex">
695718
['<script type="text/javascript">', '$(function () {', '//Dropdownlist Selectedchange event.', "$('#UserId').change(function () {", '// Get Dropdownlist seleted item text.', '$("#lbltxt").text($("#UserId option:selected").text());']
280003
If what you want is the textual content of the currently-selected <option> tag under your <select> element, then you could do this: var $sel = $('#<%=ddlReportPeriods. ClientID %>'); alert($($sel. attr('options')[$sel.
264411
['Use the value property of the select list.', 'Use the selectedIndex property.']
1204110
['<select size="1" name="ddlSelect" id="ddlSelect" onchange="fnChange(this.value)" >', '<option value="0">--- Select One ---</option> <%', 'String selectedname="";', 'ArrayList<Profile> userlist = Controller.UserNameList(Profile.userId,year);', 'for (Profile j : userlist) {', 'selectedname = (!']
934625
['Set the checked state of a checkbox: function check() { document. ... ', 'Find out if a checkbox is checked or not: getElementById("myCheck"). checked;', 'Use a checkbox to convert text in an input field to uppercase: getElementById("fname"). value = document. ... ', 'Several checkboxes in a form: var coffee = document. forms[0];']
66535
4 Answers. All you need to do is set the value of the input to the value of the select, in a select. onchange event handler. This is the brute force way to look up the currently selected option, check its value and use its display text to update your input.
1060284
['Create a new object for handling a dropdown element. Select dropdown = new Select(driver.findElement(By.id("element-id")));', 'Select an option from the dropdown element by its id attribute. dropdown. selectByVisibleText(“ID of the option”);']
1169247
['Pretty simple, but here it is anyway.', "var sel = document. getElementById('id_of_select'", 'for (i = sel. length - 1; i >= 0; i--) {', 'sel. remove(i);', 'sel. length = 0;']
150955
To get value of a selected option from select tag: php if(isset($_POST['submit'])){ $selected_val = $_POST['Color']; // Storing Selected Value In Variable echo "You have selected :" . $selected_val; // Displaying Selected Value } ?>
1115994
['<script>', '$( ". dropdown" ). change(function() {', 'dropdownval = $( ". dropdown" ). val();', '$(". dropdown option[value=\'dropdownval\']"). remove();', '});', '</script>']
847014
["document. getElementById('submit'). onclick = function() {", "var select = document. getElementById('pets');", 'var selected = [... select. options]', '. filter(option => option. selected)', '. map(option => option. value);', 'alert(selected);', '}']
678688
['// You can put it in LocalStorage.', 'var.', 'lmnt = document.getElementById("elementId"),', 'valSelected = lmnt.options[lmnt.selectedIndex].value;', 'localStorage.setItem("val", valSelected);', '// To obtain this value, you can do the following.', 'var.', 'valStored = localStorage.getItem("val");']