Base64 Image 정보를 Blob형태로 변환

function b64toBlob(b64Data, contentType, sliceSize) {if( b64Data == "" || b64Data == undefined ) return null; contentType = contentType || '';sliceSize = sliceSize || 512; var byteCharacters = atob(b64Data);var byteArrays = [];for (var offset = 0; offset < byteCharacters.length; offset += sliceSize) {var slice = byteCharacters.slice(offset, offset + sliceSize);var byteNumbers = new Array(slice.l..

2019.10.22