내 인생에도 예쁜 꽃이 피었으면 좋겠다

http://www.w3schools.com/js/js_events.asp JavaScript Events« PreviousNext Chapter »HTML events are "things" that happen to HTML elements.When JavaScript is used in HTML pages, JavaScript can "react" on these events.HTML EventsAn HTML event can be something the browser does, or something a user does.Here are some examples of HTML events:HTML 웹 페이지 로드 완료 시HTML 입력 필드 변경 시HTML 버튼을 클릭 시Often, when ev..

http://www.w3schools.com/js/js_scope.asp JavaScript Scope« PreviousNext Chapter »Scope is the set of variables you have access to.JavaScript Scope자바스크립트에서 객체와 함수도 변수이다.In JavaScript, scope is the set of variables, objects, and functions you have access to.JavaScript has function scope: The scope changes inside functions.Local JavaScript VariablesVariables declared within a JavaScript function, b..

http://www.w3schools.com/js/js_objects.asp JavaScript Objects« PreviousNext Chapter »Real Life Objects, Properties, and MethodsIn real life, a car is an object.A car has properties like weight and color, and methods like start and stop:ObjectPropertiesMethods car.name = Fiat car.model = 500 car.weight = 850kg car.color = white car.start() car.drive() car.brake() car.stop()All cars have the same ..

http://www.w3schools.com/js/js_functions.asp JavaScript Functions« PreviousNext Chapter »A JavaScript function is a block of code designed to perform a particular task.A JavaScript function is executed when "something" invokes it (calls it).Examplefunction myFunction(p1, p2) { return p1 * p2; // The function returns the product of p1 and p2 } Try it yourself »JavaScript Function SyntaxA JavaScri..

http://www.w3schools.com/js/js_datatypes.asp JavaScript Data Types« PreviousNext Chapter »String, Number, Boolean, Array, Object. JavaScript Data TypesJavaScript variables can hold many data types: numbers, strings, arrays, objects and more:var length = 16; // Number var lastName = "Johnson"; // String var cars = ["Saab", "Volvo", "BMW"]; // Array var x = {firstName:"John", lastName:"Doe"}; // O..

http://www.w3schools.com/js/js_assignment.asp JavaScript Assignment« PreviousNext Chapter »JavaScript Assignment OperatorsAssignment operators assign values to JavaScript variables.OperatorExampleSame As=x = yx = y+=x += yx = x + y-=x -= yx = x - y*=x *= yx = x * y/=x /= yx = x / y%=x %= yx = x % yThe = assignment operator assigns a value to a variable.Assignmentvar x = 10;Try it Yourself »The +..

http://www.w3schools.com/js/js_arithmetic.asp JavaScript Arithmetic« PreviousNext Chapter »A typical thing to do with numbers is arithmetic.JavaScript Arithmetic OperatorsArithmetic operators perform arithmetic on numbers (literals or variables).OperatorDescription+Addition-Subtraction*Multiplication/Division%Modulus++Increment--DecrementArithmetic OperationsA typical arithmetic operation operat..

http://www.w3schools.com/js/js_operators.asp JavaScript Operators« PreviousNext Chapter »ExampleAssign values to variables and add them together:var x = 5; // assign the value 5 to x var y = 2; // assign the value 2 to y var z = x + y; // assign the value 7 to z (x + y)Try it yourself »JavaScript Arithmetic OperatorsArithmetic operators are used to perform arithmetic on numbers (literals or vari..

http://www.w3schools.com/js/js_variables.asp JavaScript Variables« PreviousNext Chapter »JavaScript VariablesJavaScript variables are containers for storing data values.In this example, x, y, and z, are variables:Examplevar x = 5; var y = 6; var z = x + y;Try it Yourself »From the example above, you can expect:x stores the value 5y stores the value 6z stores the value 11Much Like AlgebraIn this ..

http://www.w3schools.com/js/js_comments.asp JavaScript Comments« PreviousNext Chapter »JavaScript comments can be used to explain JavaScript code, and to make it more readable.JavaScript comments can also be used to prevent execution, when testing alternative code.Single Line CommentsSingle line comments start with //.Any text between // and the end of the line, will be ignored by JavaScript (wi..