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 …
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 …
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 …