내 인생에도 예쁜 꽃이 피었으면 좋겠다

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..

http://www.w3schools.com/js/js_statements.asp JavaScript Statements« PreviousNext Chapter »In HTML, JavaScript statements are "instructions" to be "executed" by the web browser.JavaScript StatementsHTML요소중에 id가 demo인것 안에 Hello Dolly. 라고 쓴다.Exampledocument.getElementById("demo").innerHTML = "Hello Dolly.";Try it Yourself »JavaScript ProgramsMost JavaScript programs contain many JavaScript stateme..

http://www.w3schools.com/js/js_output.asp JavaScript Output« PreviousNext Chapter »JavaScript does NOT have any built-in print or display functions.JavaScript Display PossibilitiesJavaScript can "display" data in different ways:window.alert() : 경고창document.write() : HTML출력innerHTML : HTML요소 작성(태그 내부값을 읽고, 설정)console.log() : 콘솔로그 쓰기Using window.alert()You can use an alert box to display data:Exam..

http://www.w3schools.com/js/js_whereto.asp JavaScript Where To« PreviousNext Chapter »JavaScript 는 와 에 위치한다.The tags. tags.Example document.getElementById("demo").innerHTML = "My First JavaScript"; Older examples may use a type attribute: . The type attribute is not required. JavaScript is the default scripting language in HTML.JavaScript Functions and EventsA JavaScript function is a block of J..