1+ //1- Reverse Number 123, 321
2+ const reverseNumber = ( num ) => {
3+ let digits = ( "" + num ) . split ( "" ) . reverse ( ) . join ( "" ) ;
4+ return digits ;
5+ }
6+ console . log ( "Reversed Number: " , reverseNumber ( 123 ) ) ; //reverse metodu
7+
8+ //reverse metodu kullanmadan çözüm alternatifi
9+ const reversedNumber = ( num ) => {
10+ const str = "" + num ;
11+ let newStr = "" ;
12+ for ( let index = str . length - 1 ; i > 0 ; index -- ) {
13+ newStr = str [ i ] ;
14+ }
15+ return Number . parseInt ( newStr ) ;
16+ }
17+
18+ //-------------------------------------------//
19+ //2 - isPalindrome reverse metodu kullanmadan
20+ const isPalindrome = ( str ) => {
21+ let isFalse = true ;
22+ const strArr = str . toLowerCase ( ) . split ( '' ) ;
23+
24+ strArr . forEach ( ( letter , index ) => {
25+ if ( letter !== strArr [ strArr . length - index - 1 ] ) {
26+ isFalse = false ;
27+ }
28+ } ) ;
29+ return isFalse ;
30+ }
31+
32+ console . log ( "isPalindrome:" , isPalindrome ( "asdfg" ) ) ;
33+ console . log ( "isPalindrome:" , isPalindrome ( "abba" ) ) ;
34+ console . log ( "isPalindrome:" , isPalindrome ( "xoXox" ) ) ;
35+ console . log ( "isPalindrome:" , isPalindrome ( "kazak" ) ) ;
36+ //-------------------------------------------//
37+
38+ // 3 - biggest number an arr
39+ const arr = [ 3 , 5 , 8 , 100 , 20 ] ;
40+ const max = Math . max ( ...arr ) ;
41+
42+ const index = arr . indexOf ( max ) ;
43+ console . log ( "Maximum numaranın indexi: " , index ) ;
44+
45+ const biggestNumber = ( arr ) => {
46+ const max = Math . max ( ...arr ) ;
47+ return max ;
48+ }
49+ console . log ( "The biggest number is: " , biggestNumber ( arr2 = [ 3 , 5 , 8 , 100 , 20 ] ) ) ;
50+
51+ const maxNumber = ( arr ) => {
52+ let max = - Infinity ;
53+ arr . forEach ( ( elem ) => {
54+ if ( max < elem ) {
55+ max = elem ;
56+ }
57+ } ) ;
58+ return max ;
59+ }
60+ console . log ( "The max number is: " , maxNumber ( [ 3 , 5 , 8 , 100 , 20 ] ) ) ;
61+
62+ // 4- en uzun kelimeyi bulan metot
63+ function findLongestWordLength ( str ) {
64+ let word = "" ;
65+ const arr = str . split ( " " ) ;
66+ arr . forEach ( element => {
67+ if ( element . length > word . length ) {
68+ word = element ;
69+ }
70+ } ) ;
71+ return word ;
72+ }
73+ console . log ( "The longest word is: " , findLongestWordLength ( "asadjah fdshjsxxxxxx dfs" ) ) ;
74+
75+ //5 - aldıgı argümanın bir array olup olmadığını kontrol eden fonksiyon
76+ const isArray = ( arr ) => {
77+ return Array . isArray ( arr ) ;
78+ }
79+ console . log ( "Is Array?" , isArray ( arr2 = [ 3 , 5 , 8 , 100 , 20 ] ) ) ;
80+
81+ //6- aldığı array içindeki sayıları büyükten küçüğe dizip yeni bir array oluşturan fonksiyon
82+ const sortedArray = ( array ) => {
83+ let newArr = [ ] ;
84+ arr . forEach ( ( ) => {
85+ let max = arr [ 0 ] ;
86+ let indexTemp = 0 ;
87+ arr . forEach ( ( element2 , index2 ) => {
88+ if ( element2 > max ) {
89+ max = element2 ;
90+ indexTemp = index2 ;
91+ }
92+ } ) ;
93+ newArr . push ( max ) ;
94+ array [ indexTemp ] = Number . NEGATIVE_INFINITY ;
95+ } ) ;
96+ return newArr ;
97+ }
98+
99+ console . log ( "Sorted Array" , sortedArray ( [ 3 , 5 , 8 , 100 , 20 , 12 , 15 ] ) ) ;
0 commit comments