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Converting a string to NATO phonetic alphabets in JavaScript
Problem
We are required to write a JavaScript function that takes in a string and converts it into NATO phonetic alphabet.
The 26 code words are as follows: Alfa, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliett, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, Zulu.
Example
Following is the code −
const str = 'this is simple string';
const convertToNato = (str = '') => {
let nato = {
a: 'Alfa',
b: 'Bravo',
c: 'Charlie',
d: 'Delta',
e: 'Echo',
f: 'Foxtrot',
g: 'Golf',
h: 'Hotel',
i: 'India',
j: 'Juliett',
k: 'Kilo',
l: 'Lima',
m: 'Mike',
n: 'November',
o: 'Oscar',
p: 'Papa',
q: 'Quebec',
r: 'Romeo',
s: 'Sierra',
t: 'Tango',
u: 'Uniform',
v: 'Victor',
w: 'Whiskey',
x: 'Xray',
y: 'Yankee',
z: 'Zulu'
}
let arr = [...str];
return arr
.filter((letter) => letter !== " ")
.map((letter) => {
if( /[^a-z]/.test(letter.toLowerCase()) ) { return letter }
else { return nato[letter.toLowerCase()]; }
}).join(' ');
};
console.log(convertToNato(str));Output
Following is the console output −
Tango Hotel India Sierra India Sierra Sierra India Mike Papa Lima Echo Sierra Tango Romeo India November Golf
Updated on: 17-Apr-2021
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