JavaScript: Convert a string in abbreviated form - w3resource

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Sat Oct 01 2022 05:27:54 GMT+0000 (Coordinated Universal Time)

abbrev_name = function (str1) {
    var split_names = str1.trim().split(" ");
    if (split_names.length > 1) {
        return (split_names[0] + " " + split_names[1].charAt(0) + ".");
    }
    return split_names[0];
};
console.log(abbrev_name("Robin Singh"));

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https://www.w3resource.com/javascript-exercises/javascript-string-exercise-5.php

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JavaScript: Convert a string in abbreviated form - w3resource

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