From 1ce6648eea005987f918c2ba4f9cca0e04e75a51 Mon Sep 17 00:00:00 2001
From: Kevin Christy Parinussa <kaysypy17th@gmail.com>
Date: Mon, 30 May 2022 10:39:27 +0700
Subject: [PATCH] Tugas Quiz Day 2

---
 .vscode/launch.json   | 17 +++++++++++++++++
 HowManyElapsedTime.js | 19 +++++++++++++++++++
 Permutation.js        | 21 +++++++++++++++++++++
 PrimeNumber.js        | 35 +++++++++++++++++++++++++++++++++++
 Segitiga.js           | 31 +++++++++++++++++++++++++++++++
 StringToDate.js       | 15 +++++++++++++++
 isArrayEqual.js       | 14 ++++++++++++++
 isCharsUnique.js      | 13 +++++++++++++
 maxlength.js          | 15 +++++++++++++++
 palindrome.js         | 11 +++++++++++
 10 files changed, 191 insertions(+)
 create mode 100644 .vscode/launch.json
 create mode 100644 HowManyElapsedTime.js
 create mode 100644 Permutation.js
 create mode 100644 PrimeNumber.js
 create mode 100644 Segitiga.js
 create mode 100644 StringToDate.js
 create mode 100644 isArrayEqual.js
 create mode 100644 isCharsUnique.js
 create mode 100644 maxlength.js
 create mode 100644 palindrome.js

diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..eab977d
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,17 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "pwa-node",
+            "request": "launch",
+            "name": "Launch Program",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${file}"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/HowManyElapsedTime.js b/HowManyElapsedTime.js
new file mode 100644
index 0000000..65ec661
--- /dev/null
+++ b/HowManyElapsedTime.js
@@ -0,0 +1,19 @@
+/** berapa banyak tahun kabisat antara tahun1 ke tahun2 */
+
+function howManyKabisat(year1,year2){
+    while(year1<year2){
+        if(isKabisat(year1)){
+            console.log(year1);
+        }
+        year1++;
+    }
+}
+
+function isKabisat(year){
+    let checkLeap=year;
+    if(checkLeap%4==0 ){
+        console.log(checkLeap);
+    }
+}
+
+console.log(howManyKabisat(1997,2021));
\ No newline at end of file
diff --git a/Permutation.js b/Permutation.js
new file mode 100644
index 0000000..28d3f83
--- /dev/null
+++ b/Permutation.js
@@ -0,0 +1,21 @@
+const checkPermute = function(stringOne, stringTwo) {
+    // if different lengths, return false
+    if(stringOne.split("").length!=stringTwo.split("").length){
+        return false;
+    }
+    // else sort and compare 
+    // (doesnt matter how it's sorted, as long as it's sorted the same way)
+    else{
+        if(stringOne.split("").sort().join()!=stringTwo.split("").sort().join()){
+            return false;
+        }
+        else{
+            return true;
+        }
+    }
+  };
+  
+  console.log(checkPermute('aba', 'aab'))//true;
+  console.log(checkPermute('aba', 'aaba'))//false;
+  console.log(checkPermute('aba', 'aa'))//false;
+
diff --git a/PrimeNumber.js b/PrimeNumber.js
new file mode 100644
index 0000000..5b39c42
--- /dev/null
+++ b/PrimeNumber.js
@@ -0,0 +1,35 @@
+
+function showPrimeNumber(n){
+    isPrime(n);
+}
+
+function isPrime(n){
+    for (let i = 2; i <= n; i++) {
+        let flag = 0;
+    
+        // looping through 2 to user input number
+        for (let j = 2; j < i; j++) {
+            if (i % j == 0) {
+                flag = 1;
+                break;
+            }
+        }
+    
+        // if number greater than 1 and not divisible by other numbers
+        if (i > 1 && flag == 0) {
+            console.log(i);
+        }
+    }
+}
+
+console.log(showPrimeNumber(100));
+/**
+
+2	3	5	7	11
+13	17	19	23	29
+31	37	41	43	47
+53	59	61	67	71
+73	79	83	89	97
+
+ */
+
diff --git a/Segitiga.js b/Segitiga.js
new file mode 100644
index 0000000..27e6585
--- /dev/null
+++ b/Segitiga.js
@@ -0,0 +1,31 @@
+/** buat segitiga  */ 
+let triangle1='';
+for (let i = 1; i < 5; i++) {
+    for (let j = 1; j < 6-i; j++) {
+        triangle1+=j+" ";
+    } 
+    console.log(triangle1+"\n");
+    triangle1='';
+} 
+// output 
+// 1 2 3 4 
+// 1 2 3 
+// 1 2 
+// 1 
+
+
+let triangle2='';
+for (let i = 0; i < 6; i++) {
+    for (let j = 5-i; j > 0; j--) {
+        triangle2+=j+" ";
+    } 
+    console.log(triangle2+"\n");
+    triangle2='';
+}  
+
+// output
+// 5 4 3 2 1  
+// 4 3 2 1  
+// 3 2 1
+// 2 1  
+// 1  
diff --git a/StringToDate.js b/StringToDate.js
new file mode 100644
index 0000000..6d92a1d
--- /dev/null
+++ b/StringToDate.js
@@ -0,0 +1,15 @@
+/** ubah value string ke date 
+ *  gunakan split
+ *  inputan s = bulan/hari/tahun
+*/
+function strToDate(s){
+        for(let i=0;i<3;i++){
+                if(isNaN(s.split("/")[i])){
+                        return s+" bad format date";
+                }     
+        }
+        return new Date(s);
+}
+
+console.log(strToDate('12/30/2021'));//Thu Dec 30 2021 00:00:00 GMT+0700 (Western Indonesia Time)
+console.log(strToDate('12/aa/bb')); //12/aa/bb bad format date
diff --git a/isArrayEqual.js b/isArrayEqual.js
new file mode 100644
index 0000000..3e88281
--- /dev/null
+++ b/isArrayEqual.js
@@ -0,0 +1,14 @@
+function isArraysEqual(arrayA, arrayB) {
+    for(let i=0;i<4;i++){
+        if(arrayA[i]!=arrayB[i]){
+            return false;
+        }
+    }
+    return true;
+}
+
+const fruitNamesA = ['rambutan', 'durian', 'jeruk', 'nangka'];
+const fruitNamesB = ['rambutan', 'durian', 'jeruk', 'nangka'];
+const fruitNamesC = ['anggur', 'apel', 'mangga', 'alpukat'];
+console.log(isArraysEqual(fruitNamesA, fruitNamesB)); // true
+console.log(isArraysEqual(fruitNamesA, fruitNamesC)); // false
\ No newline at end of file
diff --git a/isCharsUnique.js b/isCharsUnique.js
new file mode 100644
index 0000000..f5a3147
--- /dev/null
+++ b/isCharsUnique.js
@@ -0,0 +1,13 @@
+function isCharsUnique(string){
+    for(let i=0;i<string.length;i++){
+        for(let j=1+i;j<string.length;j++){
+            if(string[i]==string[j]){
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+console.log(isCharsUnique('abcdefg'));//true
+console.log(isCharsUnique('abcdefga'));//false
\ No newline at end of file
diff --git a/maxlength.js b/maxlength.js
new file mode 100644
index 0000000..aa52be7
--- /dev/null
+++ b/maxlength.js
@@ -0,0 +1,15 @@
+function maxWordLength(params) {
+    let maxArr=params.split(" ");
+    let numArr=[];
+    
+    for(let i=0;i<maxArr.length;i++){
+        numArr.push(maxArr[i].length);
+    }
+
+    const max = Math.max(...numArr);
+    const indexMax=numArr.indexOf(max);
+    return maxArr[indexMax];
+}
+
+console.log(maxWordLength("aku suka bootcamp sentul city"));//bootcamp
+
diff --git a/palindrome.js b/palindrome.js
new file mode 100644
index 0000000..e2be754
--- /dev/null
+++ b/palindrome.js
@@ -0,0 +1,11 @@
+function isPalindrome(word){
+    let wordArr=word.split("");
+    let reverseWord=wordArr.reverse().join();
+    for(let i=0;i<=wordArr.length;i++){
+        if(wordArr[i]==reverseWord[i]){
+            return true;
+        }
+    }
+}
+
+console.log(isPalindrome('kasur ini rUsak'));//true