I have created few scripts to complete a web registration. Now each time I complete a registration on the last step it generates a 'Registration ID'. I need to capture and save this id to a file. Can we do this with JavaScript?
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2Where is the file you wish to save to? Is it on the server or on the local machine?raphink– raphink2009-12-28 13:02:24 +00:00Commented Dec 28, 2009 at 13:02
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3 Answers
To get the registration id you can save it t a hidden element [textbox with type hidden] and get the value using javascript like this.
document.getElementById ( "txtHidRegID" ).value;
where the id of the textbox is txtHidRegID.
For the second part [file save] you cannot access files on the client side using javascript. You can save it to a file on the server side using any server side language.
Accessing file in a client machine using javascript which runs inside a sandbox will be a security hole.
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If you wish to save the ID to the server side, you can do that by throwing an Ajax request with the value to a server-side script which will save the value.
If you wish to save to a local file (client-side), then you need more than JavaScript.
To get the registration ID, use the DOM with getElementById.
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Not directly with JavaScript. You will have to send your generated id to the server somehow. You could use XHR (AJAX) if you don't wish to refresh the page.
