JavaScript min
Return the lowest value in an array or a series of arguments
1 2 3 4 56 7 8 9 1011 12 13 14 1516 17 18 19 2021 22 23 24 2526 27 28 29 3031 32 33 34 3536 37 38 39 4041 42 43 44 4546 47 48 49 5051 52 53 54 5556 57 58 59 6061 62 63 64 6566 67 68 69 7071 72 73 74 7576 77 78 79 8081 82 83 84 8586 87 88 89 9091 92 93 94 9596 97 98 99 100101 102 103 104 105106 107 108 109 110111 112 113 114 115116 117 118 119 120 | function min () { // Return the lowest value in an array or a series of arguments // // version: 1109.2015 // discuss at: http://phpjs.org/functions/min // + original by: Onno Marsman // + revised by: Onno Marsman // + tweaked by: Jack // % note: Long code cause we're aiming for maximum PHP compatibility // * example 1: min(1, 3, 5, 6, 7); // * returns 1: 1 // * example 2: min([2, 4, 5]); // * returns 2: 2 // * example 3: min(0, 'hello'); // * returns 3: 0 // * example 4: min('hello', 0); // * returns 4: 'hello' // * example 5: min(-1, 'hello'); // * returns 5: -1 // * example 6: min([2, 4, 8], [2, 5, 7]); // * returns 6: [2, 4, 8] var ar, retVal, i = 0, n = 0, argv = arguments, argc = argv.length, _obj2Array = function (obj) { if (Object.prototype.toString.call(obj) === '[object Array]') { return obj; } var ar = []; for (var i in obj) { if (obj.hasOwnProperty(i)) { ar.push(obj[i]); } } return ar; }, //function _obj2Array _compare = function (current, next) { var i = 0, n = 0, tmp = 0, nl = 0, cl = 0; if (current === next) { return 0; } else if (typeof current === 'object') { if (typeof next === 'object') { current = _obj2Array(current); next = _obj2Array(next); cl = current.length; nl = next.length; if (nl > cl) { return 1; } else if (nl < cl) { return -1; } for (i = 0, n = cl; i < n; ++i) { tmp = _compare(current[i], next[i]); if (tmp == 1) { return 1; } else if (tmp == -1) { return -1; } } return 0; } return -1; } else if (typeof next == 'object') { return 1; } else if (isNaN(next) && !isNaN(current)) { if (current == 0) { return 0; } return (current < 0 ? 1 : -1); } else if (isNaN(current) && !isNaN(next)) { if (next == 0) { return 0; } return (next > 0 ? 1 : -1); } if (next == current) { return 0; } return (next > current ? 1 : -1); }; //function _compare if (argc === 0) { throw new Error('At least one value should be passed to min()'); } else if (argc === 1) { if (typeof argv[0] === 'object') { ar = _obj2Array(argv[0]); } else { throw new Error('Wrong parameter count for min()'); } if (ar.length === 0) { throw new Error('Array must contain at least one element for min()'); } } else { ar = argv; } retVal = ar[0]; for (i = 1, n = ar.length; i < n; ++i) { if (_compare(retVal, ar[i]) == -1) { retVal = ar[i]; } } return retVal; } |
Examples
» Example 1
Running
1 | min(1, 3, 5, 6, 7); |
Should return
1 | 1 |
» Example 2
Running
1 | min([2, 4, 5]); |
Should return
1 | 2 |
Dependencies
No dependencies, you can use this function standalone.
Open syntax issues
php.js uses JsLint to help us keep our code consistent and prevent some common bugs.
Eventually we want all code to pass or at least take into consideration most fixes suggested by JsLint, following this JsLint configuration we’ve decided on.
Authors
Thanks to the following developers, you get to have min goodness in JavaScript.

Onno Marsman
11 Sep '08