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The following technique (or similar) is commonly used to reverse a string in JavaScript: // Don’t use this! var naiveReverse = function (string) { return string.split ('').reverse ().join (''); } In fact, all the answers posted so far are a variation of this pattern. However, there are some problems with this solution.
Sep 29, 2014 · const result = document.querySelector('#result'); const RString = stringFactory(); // constructor const myReversed = new ReverseString('hello world'); myReversed ...
May 27, 2017 · 123. reverse() is a method of array instances. It won't directly work on a string. You should first split the characters of the string into an array, reverse the array and then join back into a string: var backway = oneway.split("").reverse().join(""); Update. The method above is only safe for "regular" strings.
The base case that I am using for exiting the recursion is when the the length decrease to 0. On each recursive call we will take out the last character of the string and append it with the result that we will get from recursive call of a string, which is smaller in size as the last character is removed using slice.
Aug 15, 2017 · Reverse String in JavaScript. 1. Reversing a string in JS. 5. How to reverse words in a string instead of ...
Jan 4, 2018 · Reverse String in JavaScript. 1. Reversing a string in JS. 2. Reverse String In Place Using for loop in ...
Aug 27, 2018 · @Bergi "is wrong" is a bit strong, but it's very useful to point out behaviour that OP might want like case insensitivity and to specify that the default string sort is case-sensitive! Don't assume questions writers know 100% what they want and what related things they might need to take into account.
0. A string is an array of characters, so you can use the reverse function on the array to reverse it and then return it: return str.split('').reverse().join(''); Note: the split part is what turns the string into a char[] (an array) and the join part turns it back into a string.
Apr 5, 2016 · Use math on the index provided to the mapping function in order to access elements in reverse order, rather than using the provided val: myArray.map((val, index) => myArray[myArray.length - 1 - index]); This is O (n) and does not mutate nor copy the input array. The third parameter to the mapping function is the underlying collection, so that ...
Jan 13, 2016 · Reverse a string in javascript. 5. Reverse String in JavaScript. 1. issue with substring indexing. 1. How ...
