var w = require("ESP8266WiFi_0v25");
console.log(process.memory().usage);
// 1v81
618
// current build
520
var w = require("MQTT");
console.log(process.memory().usage);
// 1v81
467
// current build
403
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Just to add a real world example: