Make a list of images

index.js

/*
Written by Ravin Hewage.
*/
let fs = require('fs'); //import node file system api
let count; //initialise the counter.
let paddedcount; //pading the counter
for(count=0;count<244;count++){
    //adding 3 zeros in front of the number in the url so 1 would be 0001
    Number.prototype.pad = function(size) {
        var s = String(this);
        while (s.length < (size || 2)) {s = "0" + s;}
        return s;
      }
      //end of promise
      paddedCount = (count).pad(4);  
    let url = `http://www.content-b-xy.net/albums/mcsocial-2018-da/XY_DA_${paddedCount}.jpg`+"\n";
    fs.appendFileSync('url_set.txt',url,function(e){
        if(e){
            throw(e);
        }
    });
    console.log(url);
}