Mentoring challenge 2, by McLarenCollege

decode.js

function decipherThis(string) {
	string_arr = string.split(' ')				// [ "this", "is", "string" ]
	result_array = []

	for (i=0; i<string_arr.length; i++) {
		word = string_arr[i]

		// dealing with char Code
		code = []
		word_new = []

		for (j=0; j<word.length; j++) {
			if ( '0123456789'.includes(word[j]) ) {
				code.push(word[j])
			} else {
				word_new.push(word[j])
			}
		}

		ascii_code = Number(code.join(""))
		first_char = String.fromCharCode(ascii_code)
		filtred_char = word_new.join("")
		WORD = first_char + filtred_char
		// end dealing with char code


		// dealing with position swaping
		nth_1 = WORD[0]
		nth_2 = WORD[1]
		nth_last = WORD.slice(-1)
		swaped_word = nth_1 + nth_last + WORD.slice(2, -1) + nth_2
		if ( WORD.length < 3 ) {
			swaped_word = nth_1 + nth_last + WORD.slice(2, -1)
		}

		result_array.push(swaped_word)
		// end dealing with position swaping
	}

	return result_array.join(" ")
}





test1 = decipherThis('72olle 103doo 100ya'); // 'Hello good day'
test2 = decipherThis('82yade 115te 103o'); // 'Ready set go'

console.log(test1)
console.log(test2)