Udemy에서 Javascript Essentials강의를 듣고 정리한 것이다. Object 특징 properties : describe the object (like Nouns) functions : performing action (like Verbs) hierarchy : grouping data, objects within objects (like Encapsulation) myMac : { // properties width : 1400, height : 600, color : "space gray", keyboardSize: "13inch", // functions typeText : function(){ ... }, smash : function(){ ... }, // hierarchy camera : { quality : "HD", record : function(){ ... }, } screen : { type : "retina", size : "13inch", backlight : "LED", } keyboard : { quality : "en-UK", functional : true, typeIn : function(){ ... }, } } array // create var myArray = [ value1, value2, value3, ... ]; // access myArray[0]; object // create var myObject = { key1 : value1, key2 : value2, key3 : value3, ... }; // access myObject.key1; myObject[key2]; function // argument : temporary storage // function myFunction (argument) { // execution context // } // create function sayHello () { return "Hello" } function verb (a, b) { return a + b; } var obj = { // object 안에 있는 fuction은 method라고 함 myMethod : function (a, b) { return a + b; } }; // access sayHello(); verb(5, 10); //argument에 넣은값은 parameter라고 함 obj.myMethod(10, 15);