산술,관계,논리연산자실습

<HTML>
<HEAD><TITLE>논리 연산</TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--

var number1, number2, number3, number4

document.write("<H2>처음으로 작성하는 자바스크립트코드</H2>")

document.write("<HR><H3><FONT COLOR=BLUE>산술연산자실습</FONT></H3></HR>")

number1=70+20;
document.write("1)70+20=")
document.write(number1)

number1=70-20;
document.write("<BR>2)70-20=")
document.write(number1)

number1=70*20;
document.write("<BR>3)70*20=")
document.write(number1)

number1=70%20;
document.write("<BR>4)70%20=")
document.write(number1)

document.write("<H3><FONT COLOR=BLUE>관계연산자실습</FONT></H3>")

number2=(2>3)

document.write("1> 2>3일까요? ")
document.write(number2)

number2=(2<3)

document.write("<BR>2> 2<3일까요? ")
document.write(number2)

number2=(2==3)

document.write("<BR>3> 2==3일까요? ")
document.write(number2)

number2=("강감찬"<"홍길동")

document.write("<BR>4> 강감찬<홍길동 일까요? ")
document.write(number2)

document.write("<H3><FONT COLOR=BLUE>논리연산자</FONT></H3>")
number1=(1<2)&&(2<1)
number2=(1<2)||(2<1)
number3=(1<2)^(2<1)

document.write("<BR>1>(1<2)&&(2<1)="+number1)

document.write("<BR>2>(1<2)||(2<1)="+number2)

document.write("<BR>3>(1<2)^(2<1)="+number3)

</SCRIPT>
</HEAD>

</HTML>

Long Kim's world