How to delete repeated characters using JavaScript strings _ javascript skills

This article describes how to delete duplicate characters in a javascript string through code examples. The code is simple and easy to understand. For your reference, this section describes how to delete duplicate characters in a string, no matter whether it is of practical value or not, it is quite good to learn algorithms.

The Code is as follows:

Function dropRepeat (str) {var result = []; var hash = {}; for (var I = 0, elem; I

 

  


  
The functions in the above Code can delete repeated characters in strings. Example:


  


  
DropRepeat ("abcdd ")

  


  
The returned value is abcd.

  
Next, let's share Python: remove the repeated characters in the string.

  


  
Python 2.7: #-*-encoding: UTF-8-*-string = 'abc123456ab2s 'r = ''. join (x for I, x in enumerate (string) if string. index (x) = I) print stringprint r

  


  
The output is as follows:

  
Abc123456ab2s
Abc123456s