random-calculations/index.js

Simple library for arithmetic operations

function math(){
   var op = ["*", "+", "-"][Math.floor(Math.random()*3)];

   if(op !== '*'){
       var b = Math.floor(Math.random() * 100) +1;
var a = Math.floor(Math.random() * 10) + b;

   }else{
var b = Math.floor(Math.random() * 10) +1;
var a = Math.floor(Math.random() * 10) +1;
     };
     
     function convertOption(option) {
  var result;
 var options = {
   '*':"×",'/':'÷','-':'-','+':'+'};
  result = options[op];
   
  return result;
};
   let question = a + " " + convertOption(op) + " " + b ,
   answer = eval( a + op + b);
return {question,
answer}

        
    };
    
    
const {answer, question} = math()

const arabicrize = (str) => str.replace(/\d/g, (digit) => '٠١٢٣٤٥٦٧٨٩'[digit]);

const ar = arabicrize(answer.toString())

module.exports ={
  question,
  answer,
  ar
};