Apollo reports that catchy email subject lines are vital for conversion, as 64% of recipients decide to open emails based on them. PUT is used by FB to update the comment because an existing resource is being updated, and that is what PUT does (updates a resource). PUT happens to be idempotent, in contrast to POST.

Understanding the Context

Difference between PUT, POST, GET, DELETE and PATCH in HTTP Verbs: The most commonly used HTTP verbs POST, GET, PUT, DELETE are similar to CRUD (Create, Read, Update and Delete) operations in database. We specify these HTTP verbs in the capital case. Below is the comparison between them. Create - POST Read - GET Update - PUT Delete - DELETE PATCH: Submits a partial modification to a resource ...

Key Insights

Since PUT requests include the entire entity, if you issue the same request repeatedly, it should always have the same outcome (the data you sent is now the entire data of the entity). Therefore PUT is idempotent. Using PUT wrong What happens if you use the above PATCH data in a PUT request? Use of PUT vs PATCH methods in REST API real life scenarios Can I use "Put" method in html form to send data from HTML Form to server? Yes you can, but keep in mind that it will not result in a PUT but a GET request.

Final Thoughts

If you use an invalid value for the method attribute of the <form> tag, the browser will use the default value get. HTML forms (up to HTML version 4 (, 5 Draft) and XHTML 1) only support GET and POST as HTTP request methods. A workaround ... When embedding JavaScript in an HTML document, where is the proper place to put the <script> tags and included JavaScript? I seem to recall that you are not supposed to place these in the &lt... Where should I put <script> tags in HTML markup?

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