process.stdout.write(JSON.stringify(Object.keys(global)));
Standard input is empty
["ArrayBuffer","Int8Array","Uint8Array","Uint8ClampedArray","Int16Array","Uint16Array","Int32Array","Uint32Array","Float32Array","Float64Array","DataView","global","process","GLOBAL","root","Buffer","setTimeout","setInterval","clearTimeout","clearInterval","setImmediate","clearImmediate","console"]