gistfile1.js

var frida = require('..');

var processName    = process.argv[2];
var processAddress = process.argv[3];

var script = 
"var fn = new NativeFunction(ptr('%addr'), 'void', [ 'int' ]);" +
"fn(1);" +
"fn(1);" +
"fn(1);";

frida.attach(processName).then(function(session) {
  return session.createScript(script.replace('%addr%', processAddress));
}).then(function(script) {
  script.load().then(function() {
    console.log("script loaded");
  }).catch(function(err) {
    console.error(err);
  });
}).catch(function(err) {
  console.error(err);
});