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一個JavaScript遞歸實現反轉數組字符串的實例
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>每天一個JavaScript實例-遞歸實現反轉數組字符串</title> <script> var func = function(x,indx,str){ return indx == 0 ? str : func(x,--indx,(str +=" " + x[indx]));; } var arr = new Array("apple","banna","orange","apple2","apple3"); var arr1 = arr.slice(0) var arr3 = func(arr1,arr1.length,""); var arr2 = arr.slice(0).reverse(); console.log(arr2); console.log(arr); console.log(arr3); </script> </head> <body> <div id = "date"> </div> </body> </html>
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