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JavaScript
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[JavaScript] 반복문
반복문 if //조건문 //if, if~else, if~else if~else //switch~case //삼항 연산자 var age = prompt('나이 입력')//값 입력 age = parseInt(age)//정수로변환 if(age>=20){//만약 age가 20이상이면 alert("성인") } if else //if~else if~else //점수 여러구간 체크~ var score = prompt("점수입력") score = parseInt(score) if(score===100){ document.write("A+"," ") }else if(100>score && score>=90){//100>score>=90-X document.write("A"," ") }else if(90>score && ..
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[JavaScript] 입력창
prompt var num = prompt('숫자 입력') document.write(num," ") confirm var result = confirm("계속 하시겠습니까?") document.write(result," ") alert(result) console.log(result)
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[JavaScript] 기본
Script 기본 출력문 document.write("환영합니다."); //document객체 //객체 //클래스(설계도)와 메모리에 실체화된것(빌딩) //document객체는 //window객체의 하부객체다. //document객체가 HTML태그를 관장한다. //DOM //Document Object Model //document객체로 제어할수있는 형태가 만들어진것 //DOM Tree // 태그로 줄바꿈한다. 변수 var num1=10; var num2=3.14; //var - variable - 변수,변할수있는 //vari - 다양한, able- ~할수있는 //int num=10; document.write(num1," ")//10 document.write(num2," ")//3.14 자동형변환 d..