[].asdf()

TypeError: [].asdf is not a function

[] + []

[] + []

""

[] + {}

[] + {}

"[object Object]"

{} + []

!= [] + {}

{} + []

 0 

{} + {}

{} + {}

"[object Object][object Object]"

{} + {}

NaN

"hello " + 1

hello 1

"hello " + (-1)

hello -1

"hello " - 1

NaN

"hello " - 1

"hello" - 1

function add(a,b){ return a+b }

add([], {})

function add(a,b){ return a+b }

add(foo, bar)

let foo = getServerFoo();
let bar = getServerBar();

someModule.add(foo,bar);

let foo = [] + []
let bar = {} + []
let baz = [] + {}
let qux = {} + {}
let tix = "" - 123

node.on('click', function() {
  console.log('clicked!');
})

node.on('click', () => {
  console.log('clicked!');
})

node.on('click', function() {
  console.log('clicked!');
})

var funcs = [];
// create a bunch of functions
for (var i = 0; i < 3; i++) {
    funcs.push(function() {
        console.log(i);
    })
}
// call them
for (var j = 0; j < 3; j++) {
    funcs[j]();
}

var funcs = [];
// create a bunch of functions
for (var i = 0; i < 3; i++) {
    funcs.push(function() {
        console.log(i);
    })
}

// 3 , 3 , 3

var funcs = [];
var i = 0;
// create a bunch of functions
for (; i < 3; i++) {
    funcs.push(function() {
        console.log(i);
    })
}

// 3 , 3 , 3

const funcs = [];
// create a bunch of functions
for (let i = 0; i < 3; i++) { // Note the use of let
    funcs.push(function() {
        console.log(i);
    })
}
// call them
for (let j = 0; j < 3; j++) {
    funcs[j]();
}

var funcs = [];
// create a bunch of functions
for (let i = 0; i < 3; i++) { // Note the use of let
    funcs.push(function() {
        console.log(i);
    })
}

// 0 , 1 , 2

function leftPad (str, len, ch) {

function add() {
  return arguments[0] + arguments[1];
}

function add(num1, num2) {
  return num1 + num2;
}

function add(num1, num2) {
  return num1 + num2;
}

function add(num1: number, num2: number): number {
  return num1 + num2;
}

type Person = {
  displayName: string,
  userId: string,
}

function logName(person: Person) {
  console.log(person.displayName)
}

class ThrowItAll
{
    void show() throws Exception
    {
        throw new Exception("turtles");
    }

    void show2() throws Exception  // Why throws is necessary here ?
    {
        show();
    }

    void show3() throws Exception  // Why throws is necessary here ?
    {
        show2();
    }

    public static void main(String s[]) throws Exception  // Why throws is necessary here ?
    {
        ThrowItAll o1 = new ThrowItAll();
        o1.show3();
    }
}

let foo = 123;


// .... later


foo.toPrecision(3); // FINE

let foo: any;
foo = 123;
foo = "Hello world"; 


// .... later


foo.toPrecision(3); // FINE

type Model = {
  name: string;
}

type ViewModel = {
  name : string;
}

let foo: Model = { name: "hello" };
let bar: ViewModel = { name: "world" };

foo = bar = foo; // FINE

let foo: number = 123; 
foo = "hello";