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December 3, 2019 10:07
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Remove Duplicate Character
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| function characterOnce(str){ | |
| let frequency = {}; | |
| let newWord =''; | |
| for(let i=0; i<str.length; i++){ | |
| let character = str.charAt(i) | |
| if(frequency[character]){ | |
| frequency[character]++ | |
| } else { | |
| frequency[character] = 1 | |
| } | |
| } | |
| for (let property in frequency) { | |
| if(frequency[property] < 2){ | |
| newWord += property | |
| } | |
| } | |
| return newWord; | |
| } | |
| characterOnce('appple'); | |
| //This was the way i was solving it the first time;;; | |
| function secondApproach(str){ | |
| let neWord = ''; | |
| let reArrange = ''; | |
| for(let t of str){ | |
| if(reArrange.includes(t)){ | |
| neWord = neWord.replace(t,''); | |
| } else { | |
| neWord += t | |
| reArrange += t | |
| } | |
| } | |
| return neWord; | |
| } |
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