Senden Sie FormData und String-Daten zusammen über JQuery AJAX? The key of each pair is a USVString object; the value either a USVString, or a Blob. ハマった事象. The difference between set() and FormData.append is that if the specified key does already exist, set() will overwrite all existing values with the new one, whereas FormData.append will append the new value onto the end of the existing set of … 2. ajax FormData: Illegal invocation. When we create instance of FormData we pass form[0] instead form. javascript - formdata - jquery send form data with ajax . Instead of defining contentType we just pass false. Ich nehme an, dass jQuery ein einfaches Schlüsselwertobjekt erwartet, das form-field-names / values darstellt, und die FormData Instanz, die ich übergebe, ist scheinbar inkompatibel. Instead of defining contentType we just pass false .
Stack Overflow help chat. jQuery tries to transform your FormData object to a string, add this to your $.ajax call: processData: false, contentType: false 3. 通过jQuery Ajax使用FormData对象上传文件. (7) Wie kann ich Datei- und Eingabezeichendaten mit FormData()? It's mean actual form element, but not jQuery selector. FormData 인터페이스는 XMLHttpRequest.send()로 쉽게 보내질 수 있는 폼 field와 그 값들로 나타나는 key / value쌍들을 쉽게 만들 수 있는 방법을 제공한다. In this step you will learn how to send multiple files using jQuery … FormData对象,是可以使用一系列的键值对来模拟一个完整的表单,然后使用XMLHttpRequest发送这个"表单"。. @ManthanJamdagni When you get $('form'), it will return jQuery object. JavaScript jQuery IE.
TAGs: ASP.Net, AJAX, jQuery, MVC, FormData