Javascript Text Methods: trimToWord

js_text_methods_trimToWord.js

/**
 * trimToWord
 *
 * Trim a string to one word less than @length characters
 * @param {string} - The string to be trimmed
 * @param {int} - The maximum length of the returned string
 * @return {string}
 */
trimToWord = function (string, len) {
    if (string.length >= len) {
        string = string.substring(0, len);
        string = string.substring(
            0,
            Math.min(
                string.length,
                string.lastIndexOf(" ")
            )
        );
    }
    return string;
};