examples/form/dist/index.js
function base64ToBlob(base64) {
        // convert base64 to raw binary data held in a string
        // doesn't handle URLEncoded DataURIs - see SO answer #6850276 for code that does this
        var byteString = atob(base64.split(',')[1]);

        // separate out the mime component
        var mimeString = base64.split(',')[0].split(':')[1].split(';')[0];

        // write the bytes of the string to an ArrayBuffer
        var ab = new ArrayBuffer(byteString.length);
        var ia = new Uint8Array(ab);
        for (var i = 0; i < byteString.length; i++) {
            ia[i] = byteString.charCodeAt(i);
        }

        // write the ArrayBuffer to a blob, and you're done
        return new Blob([ab], { type: mimeString });
    }
function base64ToBlob(base64) {
        // convert base64 to raw binary data held in a string
        // doesn't handle URLEncoded DataURIs - see SO answer #6850276 for code that does this
        var byteString = atob(base64.split(',')[1]);

        // separate out the mime component
        var mimeString = base64.split(',')[0].split(':')[1].split(';')[0];

        // write the bytes of the string to an ArrayBuffer
        var ab = new ArrayBuffer(byteString.length);
        var ia = new Uint8Array(ab);
        for (var i = 0; i < byteString.length; i++) {
            ia[i] = byteString.charCodeAt(i);
        }

        // write the ArrayBuffer to a blob, and you're done
        return new Blob([ab], { type: mimeString });
    }
function base64ToBlob ( base64 ) { // convert base64 to raw binary data held in a string // doesn't handle URLEncoded DataURIs - see SO answer #6850276 for code that does this var byteString = atob ( base64 . split ( ',' ) [ 1 ] ) ; // separate out the mime component var mimeString = base64 . split ( ',' ) [ 0 ] . split ( ':' ) [ 1 ] . split ( ';' ) [ 0 ] ; // write the bytes of the string to an ArrayBuffer var ab = new ArrayBuffer ( byteString . length ) ; var ia = new Uint8Array ( ab ) ; for ( var i = 0 ; i < byteString . length ; i ++ ) { ia [ i ] = byteString . charCodeAt ( i ) ; } // write the ArrayBuffer to a blob, and you're done return new Blob ( [ ab ] , { type : mimeString } ) ; }
Convert base64 string to Blob object
@param {String} base64
@returns {Blob}
Convert base64 string to Blob object