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bodau.js

function bodau(str,isLowerCase, isUnderLine) {
    if(isLowerCase) {str = str.toLowerCase()} 
    str = str.replace(/à|á|ạ|ả|ã|â|ầ|ấ|ậ|ẩ|ẫ|ă|ằ|ắ|ặ|ẳ|ẵ/g, 'a');
    str = str.replace(/è|é|ẹ|ẻ|ẽ|ê|ề|ế|ệ|ể|ễ/g, 'e');
    str = str.replace(/ì|í|ị|ỉ|ĩ/g, 'i');
    str = str.replace(/ò|ó|ọ|ỏ|õ|ô|ồ|ố|ộ|ổ|ỗ|ơ|ờ|ớ|ợ|ở|ỡ/g, 'o');
    str = str.replace(/ù|ú|ụ|ủ|ũ|ư|ừ|ứ|ự|ử|ữ/g, 'u');
    str = str.replace(/ỳ|ý|ỵ|ỷ|ỹ/g, 'y');
    str = str.replace(/đ/g, 'd');
	if(isUnderLine) {
	str = str.replace(/\W+/g, ' ');
    str = str.replace(/\s/g, '-');
	} 
    return str;
}