Find out how form-data should be encoded before submitting it to a server:
The result of x could be:
The formEnctype property sets or returns the value of the formenctype attribute of a submit button.
The formenctype attribute specifies how form-data should be encoded when submitting it to the server (only for forms with method="post").
The formenctype attribute overrides the enctype attribute of the <form> element.
Note: The formenctype attribute is new for the <input> element with type="submit" in HTML5.
The formEnctype property is supported in all major browsers.
Note: The formEnctype property is not supported in Internet Explorer 9 and earlier versions.
Return the formEnctype property:
Set the formEnctype property:
|application/x-www-form-urlencoded||Default. All characters are encoded before sent (spaces are converted to "+" symbols, and special characters are converted to ASCII HEX values)|
|multipart/form-data||No characters are encoded. This value is required when you are using forms that have a file upload control|
|text/plain||Spaces are converted to "+" symbols, but no special characters are encoded|
|Return Value:||A String, representing the type of content that is used to submit the form to the server|
Change the value of the formenctype attribute of a submit button to "application/x-www-form-urlencoded":
HTML reference: HTML <input> formenctype attribute