구차니의 잡동사니 모음

} 

Vanilla JavaScript

function blobToFile(theBlob, fileName){

    //A Blob() is almost a File() - it's just missing the two properties below which we will add

    theBlob.lastModifiedDate = new Date();

    theBlob.name = fileName;

    return theBlob;

} 

var dataurl = canvas.toDataURL('image/jpeg',0.8);

var blob = dataURLtoBlob(dataurl);

var fd = new FormData();

fd.append("myFile", blob, "thumb.jpg"); 

$ node

> var qs = require('querystring');

undefined

> qs.unescape("http://localhost/api/sd?23 23 23")

'http://localhost/api/sd?23 23 23'

> qs.escape("http://localhost/api/sd?23 23 23")

'http%3A%2F%2Flocalhost%2Fapi%2Fsd%3F23%2023%2023'

> qs.escape("2002-02-22 22:22:22")

'2002-02-22%2022%3A22%3A22'

var url = 'folder/index.html?param=#23dd&noob=yes'; //or specify one

var encodedUrl = encodeURIComponent(url);

console.log(encodedUrl);

var url = 'folder%2Findex.html%3Fparam%3D%2323dd%26noob%3Dyes'; //or specify one

var decodedUrl = decodeURIComponent(url);

console.log(decodedUrl); 

alert($("#dropDownMenuKategorie")[0].selectedIndex);

Update:

Since version 1.6 jQuery has the prop method that can be used to read properties:

alert($("#dropDownMenuKategorie").prop('selectedIndex'));