Commit @33e7c3c5d7811b108f1eaf34e755cec2296860c3

안효원 2022-02-21

num13 modified

@33e7c3c5d7811b108f1eaf34e755cec2296860c3

6877215

33e7c3c

al01/12.js

--- al01/12.js

+++ al01/12.js


 //문자열을 입력받아 모두 대문자로 변환 후 출력
+function upper(str){
 
-let munja = "ItisTimeToStudy";
+    let answer = "";
+    for(let s of str){
+        let asciiNum = s.charCodeAt();
 
-function upper(munja){
-
-    let munjaAscii = [];
-    let munjaString = [];
-    for(let i = 0; i < munja.length; i++){
-        munjaAscii.push(munja.charCodeAt(i));
+        if(asciiNum >= 97 && asciiNum <= 122) answer += String.fromCharCode(asciiNum - 32);
+        else answer += s;
     }
-    for(let i = 0; i < munjaAscii.length; i++){
-        if(munjaAscii[i] >= 97 && munjaAscii[i] <= 122){
-            munjaAscii[i] = munjaAscii[i] - 32;
-        }
-    }
-    for(let i = 0; i < munjaAscii.length; i++){
-        munjaString.push(String.fromCharCode(munjaAscii[i])); //아스키코드->문자
-    }
-    return munjaString.join('');
-
+    return answer;
 }
 
-console.log(upper(munja));
+console.log(upper("ItisTimeToStudy"));

6877215

33e7c3c

al01/13.js

--- al01/13.js

+++ al01/13.js


 //문자열을 입력받아 upper->lower, lower->upper
 function solution(str){
 
-    strAscii = [];
-    answer = [];
+    answer = "";
 
-    for(let i = 0; i < str.length; i++){  
-        strAscii.push(str.charCodeAt(i));                  //Character -> ASCII
-        
-        if(strAscii[i] >= 65 && strAscii[i] <= 90) strAscii[i] += 32; //upper->lower
-        else strAscii[i] -= 32;                                       //lower->upper
+    for(let s of str){  
+        let asciiNum = s.charCodeAt();   //char->ASCII
 
-        answer.push(String.fromCharCode(strAscii[i]));          //ASCII -> Character
+        if(asciiNum >= 65 && asciiNum <= 90) answer += String.fromCharCode(asciiNum + 32);   //upper->lower
+        else /*****************************/ answer += String.fromCharCode(asciiNum - 32);   //lower->upper
     }
 
-    return answer.join('');
+    return answer;
 
 }
 

6877215

33e7c3c

al01/14.js

--- al01/14.js

+++ al01/14.js


     let max = arr[0];
 
     for(let i = 0; i < arr.length; i++){
-        
-        if(max.length < arr[i].length){
-            max = arr[i];
-        }
+        if(max.length < arr[i].length) max = arr[i];
     }
     return max;
 

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...	...	@@ -1,24 +1,14 @@
1	1	//문자열을 입력받아 모두 대문자로 변환 후 출력
	2	+function upper(str){
2	3
3		-let munja = "ItisTimeToStudy";
	4	+ let answer = "";
	5	+ for(let s of str){
	6	+ let asciiNum = s.charCodeAt();
4	7
5		-function upper(munja){
6		-
7		- let munjaAscii = [];
8		- let munjaString = [];
9		- for(let i = 0; i < munja.length; i++){
10		- munjaAscii.push(munja.charCodeAt(i));
	8	+ if(asciiNum >= 97 && asciiNum <= 122) answer += String.fromCharCode(asciiNum - 32);
	9	+ else answer += s;
11	10	}
12		- for(let i = 0; i < munjaAscii.length; i++){
13		- if(munjaAscii[i] >= 97 && munjaAscii[i] <= 122){
14		- munjaAscii[i] = munjaAscii[i] - 32;
15		- }
16		- }
17		- for(let i = 0; i < munjaAscii.length; i++){
18		- munjaString.push(String.fromCharCode(munjaAscii[i])); //아스키코드->문자
19		- }
20		- return munjaString.join('');
21		-
	11	+ return answer;
22	12	}
23	13
24		-console.log(upper(munja)); (No newline at end of file)
	14	+console.log(upper("ItisTimeToStudy")); (No newline at end of file)

...	...	@@ -1,19 +1,16 @@
1	1	//문자열을 입력받아 upper->lower, lower->upper
2	2	function solution(str){
3	3
4		- strAscii = [];
5		- answer = [];
	4	+ answer = "";
6	5
7		- for(let i = 0; i < str.length; i++){
8		- strAscii.push(str.charCodeAt(i)); //Character -> ASCII
9		-
10		- if(strAscii[i] >= 65 && strAscii[i] <= 90) strAscii[i] += 32; //upper->lower
11		- else strAscii[i] -= 32; //lower->upper
	6	+ for(let s of str){
	7	+ let asciiNum = s.charCodeAt(); //char->ASCII
12	8
13		- answer.push(String.fromCharCode(strAscii[i])); //ASCII -> Character
	9	+ if(asciiNum >= 65 && asciiNum <= 90) answer += String.fromCharCode(asciiNum + 32); //upper->lower
	10	+ else /*****************************/ answer += String.fromCharCode(asciiNum - 32); //lower->upper
14	11	}
15	12
16		- return answer.join('');
	13	+ return answer;
17	14
18	15	}
19	16

...	...	@@ -3,10 +3,7 @@
3	3	let max = arr[0];
4	4
5	5	for(let i = 0; i < arr.length; i++){
6		-
7		- if(max.length < arr[i].length){
8		- max = arr[i];
9		- }
	6	+ if(max.length < arr[i].length) max = arr[i];
10	7	}
11	8	return max;
12	9

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