JavaScript String Search Methods
JavaScript String Search Methods JavaScript provides several methods that search strings: indexOf, lastIndexOf, and search. These basic methods tell you whether a match has been found. The first three return …
JavaScript getElementsByTagName() Method
Get Elements by Tag Name The getElementsByTagName() method returns a collection of an elements’s child elements with the specified tag name, as a NodeList object. Return a live HTMLCollection. Syntax …
How to close current tab in a browser window?
How to close current tab in a browser window? You will need Javascript to do this. close(); Note: the current tab is implied. This is equivalent: window.close(); or you can …
jQuery and PHP get user Geo Location
jQuery and PHP get user geo location address It will works in localhost without https but in live server it will works with https only. You can download code files …
Javascript ajax making cross-domain request
One thing I’ve seen experienced JavaScript developers struggle with is making cross-domain requests. Libraries like jQuery will handle all of the complexities of this and gracefully degrade to other technologies …
jQuery Before changes save goes to another page
Below script is warn user if user goes to another page without saving form data. <form id=”myForm”> <p> <label for=”field1″>field1</label> <input type=”text” name=”field1″ id=”field1″> </p> <p> <label for=”field2″>field2</label> <input type=”text” …
Javascript Ajax Request Example
index.html file <html> <head> <style> span { color: green; } </style> <script> function showHint(str) { if (str.length == 0) { document.getElementById(“txtHint”).innerHTML = “”; return; }else { var xmlhttp = new …
jQuery radio button change event
<script type=”text/javascript”> $(document).ready(function() { $(‘input[type=radio][name=user_role]’).change(function() { var selValue = $(this).val(); alert(selValue); }); $(‘input[type=radio][name=status]’).on(‘change’, function() { switch($(this).val()) { case ‘allot’: alert(“Alloted”); break; case ‘transfer’: alert(“Transfer”); break; } }); }); </script>