toSizeSuffix
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console.log("Hello World!");
/**
* 将字节转换为Mb或Gb
* @param byteSize 字节长度
*/
function toSizeSuffix(byteSize){
var suffix = "Kb";
var size = (byteSize/1000).toFixed(2);
if(size>1000){
suffix = 'Mb';
size = (size/1000).toFixed(2);
}
if(size>1000){
suffix = 'Gb';
size = (size/1000).toFixed(2);
}
return {
size:size,
suffix:suffix,
toString:function(){
return this.size + this.suffix;
}
}
}
console.log(Number(4).toFixed(2));
//test
for(var i = 0; i<3; i++){
var sizeSuffix = toSizeSuffix(4*1024*(i==1?1024:i==2?1024*1024:1));
console.log(sizeSuffix,sizeSuffix.toString());
}
JavaScript
INFO