JS | Free Online Tutorials

How to allow cross-origin ajax request get and set cookie

phptuts June 11, 2019

How to allow cross-origin ajax request get and set cookie? Step 1: send header Access-Control-Allow-Credentials: true Example for PHP: Step 2: set header Access-Control-Allow-Origin: http://yourdomain.com…

Example: jQuery UI Draggable with Handle and Cancel

phptuts March 7, 2019

HTML CSS: JAVASCRIPT: Live Example: http://jsfiddle.net/sans_amour/dcn16tq9/

jQuery: how to check if event exists on element

phptuts February 20, 2019

Get all events registered by jQuery: Example: Check if event exists on element: Example:

Javascript: read djvu online

phptuts January 10, 2019

Use library: minidjvu.js And BlobBuilder.js here. HMTL: Online demo

Javascript: BlobBuilder polyfill

phptuts January 10, 2019

The BlobBuilder interface provides an easy way to construct Blob objects. Just create a BlobBuilder and append chunks of data to it by calling the…

How to fix error: WebSocket is already in CLOSING or CLOSED state

phptuts January 9, 2019

Some errors you can see: Example 1: Example 2: Example 3: How to fix this error? If you use socket.io, use version 2.0.3 If you…

How to get client country of your visitor by Javascript

phptuts December 14, 2018

Method 1: use https://get.geojs.io/v1/ip/geo.js (with jQuery) To get country code: Online demo: https://jsfiddle.net/sans_amour/r49v5w60/ Method 2: use https://get.geojs.io/v1/ip/geo.js To get country code: Online demo: https://jsfiddle.net/sans_amour/mps5y4j7/ Method…