constvoidblog · October 29, 2017 23:51
diff --git a/sample_func.js b/sample_func.js
 const fs = require(‘fs’);

 function foo (a, b, f) {
  new Promise((resolve,reject)=>
    let c=a*b;
    fs.writeFile(f,`${a} * ${b} = ${c}`, (err) => { if (err) { console.log(`issue writing data to ${f}: ${err}`); reject (err); }
 	resolve(c);
    });
  });
 }
	const fs = require(‘fs’);

	function foo (a, b, f) {
	new Promise((resolve,reject)=>
	let c=a*b;
	fs.writeFile(f,`${a} * ${b} = ${c}`, (err) => { if (err) { console.log(`issue writing data to ${f}: ${err}`); reject (err); }
	resolve(c);
	});
	});
	}