js Bufferの常用方法

//  
//alloc                10    16    ,    16   10
var buf1=Buffer.alloc(10,16);
console.log(buf1);

//allocUnsafe  
//  10   ,            
var buf2=Buffer.allocUnsafe(10);
//   java  StringBuffer append
buf2.write("123");
console.log(buf2);

//from  (  )
var buf3=Buffer.from([1,2,3,4,5]);
console.log(buf3);


//Buffer    
//buf1.fill();
//
//Buffer JSON  
var bufJ=Buffer.from([1,2,3,4,5]);
bufJ.toJSON();
let xx=JSON.stringify(bufJ);
console.log(xx);

//concat
let bufc1=Buffer.from("  ");
let bufc2=Buffer.from("  ");
let bufc3=Buffer.concat([bufc1,bufc2]);
console.log(bufc3);

その他の詳細方法