js-function-lib/module/upperFirst.js

JavaScript function library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * 转换字符串string的首字母为大写
 *
 * @param {string} string 要转换的字符串
 * @returns {string}  返回转换后的字符串
 * @version 1.1.5
 * @example
 *
 * upperFirst('china');
 * // => 'China'
 *
 * upperFirst('cHINA');
 * // => 'CHINA'
 */
function upperFirst(string) {
    return string ? string.replace(string[0], string[0].toUpperCase()) : '';
}
exports.default = upperFirst;