hyphenate

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let str = "hello world" let arr=str.split('') let newarr=[]; let vowels =['a', 'e', 'i', 'o', 'u' ] for(let i=0; i<arr.length; i++){ if(!(vowels.includes(arr[i])) && !(vowels.includes(arr[i+1]))){ newarr.push(arr[i]) newarr.push('-') } else newarr.push(arr[i]) } if(newarr[newarr.length-1] === "-") newarr.pop() console.log(newarr.join(''))
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