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+ // while döngüleri
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+
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+ let i = 0 ;
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+
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+ while ( i < 10 ) {
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+ console . log ( i ) ;
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+ i ++ ;
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+ }
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+
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+ // break and continue
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+
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+ while ( i < 10 ) {
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+ console . log ( i ) ;
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+ if ( i == 5 ) {
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+ break ;
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+ }
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+ i ++ ;
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+ }
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+ // 5 olduktan sonra döngü durur
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+
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+ // contunie ise yok sayarak çalışmaya devam eder.
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+
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+ while ( i < 18 ) {
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+ if ( i == 3 || i == 5 ) {
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+ i ++ ;
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+ continue ;
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+ }
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+ console . log ( i ) ;
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+ i ++ ;
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+ }
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+
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+ // do-while (en az 1 defa çalışma garantisi)
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+ // ilk başta do çalışır sonra koşulumuz kontrol edilir.
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+
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+ do {
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+ console . log ( i ) ;
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+ i ++ ;
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+ } while ( i < 10 ) ;
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+
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+ // For
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+
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+ const langs = [ "python" , "java" , "html" , "css" ] ;
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+
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+ langs . forEach ( function ( lang ) {
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+ console . log ( lang ) ;
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+ } ) ;
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+ // dizinin elemanlarını yazma
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+
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+ //map function
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+
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+ const users = [
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+ { name : "Emrah" , age : 20 } ,
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+ { name : "Rüzgar" , age : 28 } ,
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+ { name : "Yağmur" , age : 4 } ,
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+ ] ;
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+
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+ const names = users . map ( function ( user ) {
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+ return user . name ;
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+ } ) ;
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+
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+ const ages = users . map ( function ( user ) {
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+ return user . age ;
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+ } ) ;
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+
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+ console . log ( names ) ;
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+ console . log ( ages ) ;
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+
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+ // for in döngüsü [sözlük gibi]
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+
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+ const user = {
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+ name : "Emrah" ,
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+ age : 20 ,
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+ } ;
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+
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+ for ( let key in user ) {
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+ console . log ( key , user [ key ] ) ;
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+ }
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+
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+
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