javascriptBasic/09_function.html at master · YoungjuneKim/javascriptBasic · GitHub

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<!DOCTYPE html>
<html lang="ko">
<head>
    <meta charset="UTF-8">
    <title>HTML Intro</title>
</head>

<script>
//Boolean, Number, String, Array, Object 5가지타입

//Fuction1
var add = new Function("x,y", "return x+y") ;
document.write("add: " +add(4,3)+"<br/>") ; //add(4, 3, "ddd", 1, 2) -> no error

//Fuction2(제일많이 사용)
var minus = function(x,y) {
                return x-y;
            } ;
document.write("minus: " + minus(4,3)+"<br/>") ;

var minusx = (x,y) => {
                return x-y;
            } ;
document.write("minusx: " + minusx(4,3)+"<br/>") ;

//Fuction3
function multi(x,y) {
    return x*y;
}
document.write("multi: " + multi(4,3)+"<br/><br/>") ;

//Fuction4
function divide(x,y) {
    document.write(arguments.length+"<br/>") ;
    document.write(arguments[2]+"<br/>") ;
    return x/y;
}
document.write("divide: " + divide(100,10, "hello", 2, 4, 8)+"<br/>") ;

</script>

<body>
    <h1>https://developer.mozilla.org</h1>
    <h1>여러분을 환영합니다!!</h1>
</body>
</html>