function formatFileSize(fileSize, idx = 0) {
const units = ["B", "KB", "MB", "GB"];
if (fileSize < 1024 || idx === units.length - 1) {
return fileSize.toFixed(1) + units[idx];
}
return formatFileSize(fileSize / 1024, ++idx);
}老版本代码:
function formatFileSize(fileSize, idx) {
var units = ["B", "KB", "MB", "GB"];
idx = idx || 0;
if (fileSize < 1024 || idx === units.length - 1) {
return fileSize.toFixed(1) + units[idx];
}
return formatFileSize(fileSize / 1024, ++idx);
}
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