Update README.md

README.md

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-# Ajax-Image-Upload-using-PHP-and-jQuery
+# Ajax Image Upload using PHP and jQuery
+
+In this process the image is selected first and previewed before storing it in to any location . Then using  jQuery Ajax, it is send to php script on submit button event.
+
+PHP script stores the image in a defined location and returns the message of the success and failure of the process.
+
+Here we have applied some validations on the selected file, to check it whether it is an image file (jpg, jpeg or png ) or any other file type.
+
+Upload File size allowed is 100 Kb.
+
+---
+Following steps are pointed under this process :
+
+1.  Include jQuery library.
+
+2.  HTML page with upload field.
+
+3.  jQuery Ajax code.
+
+3.  PHP script to store image.