Nodejs Number to Ordinal Format toOrdinal()

Method Source Code

/**/*  w  w w .j  a v  a2s  .c om*/
 * Converts a number to string ordinal number.
 * @see https://gist.github.com/jlbruno/1535691
 * @returns {string}
 */
Number.prototype.toOrdinal = function() {
    var n,
        s = ["th","st","nd","rd"],
        v = n % 100;
    return n + (s[(v - 20) % 10] || s[v] || s[0]);
};

Related

1. toOrdinal()

   Number.prototype.toOrdinal = function() {
     var n = this % 100;
     var suffix = ["th", "st", "nd", "rd", "th"];
     var ord = n < 21 ? (n < 4 ? suffix[n] : suffix[0]) : (n % 10 > 4 ? suffix[0] : suffix[n % 10]);
     return this + ord;
   };
   

2. toOrdinal()

   Number.prototype.toOrdinal = function() {
     var s = ['th','st','nd','rd'];
     var v = this%100;
     return this + (s[(v-20)%10]||s[v]||s[0]);
   };
   

3. toOrdinal()

   Number.prototype.toOrdinal = function() {
       var n = this % 100,
           suffix = ['th', 'st', 'nd', 'rd', 'th'],
           ord = n < 21 ? (n < 4 ? suffix[n] : suffix[0]) : (n % 10 > 4 ? suffix[0] : suffix[n % 10]);
       return this + ord;
   };