utils.js
自分用のユーティリティ・ライブラリ。
var Utils = (function () { var d = document; _print = function (str) { d.writeln(str + " "); } _getById = function (str) { return d.getElementById(str); } _getByClass = function (str) { return d.getElementsByClassName(str); } _getByTag = function (str) { return d.getElementsByTagName(str); } return { getById: _getById, getByClass: _getByClass, getByTag: _getByTag }; }()); //オブジェクト名を String で返す Object.prototype.class = function () { var a; if (this instanceof HTMLDocument) a = "HTMLDocument"; else if (this instanceof HTMLCollection) a = "HTMLCollection"; else if (this instanceof Node) a = "Node"; else if (this instanceof String) a = "String"; else if (this instanceof Array) a = "Array"; else if (this instanceof Date) a = "Date"; else if (this instanceof RegExp) a = "RegExp"; else if (this instanceof Boolean) a = "Boolean"; else if (this instanceof Number) a = "Number"; else if (typeof(this) === 'function') a = "function"; else if (this instanceof Object) a = "Object"; else a = "Other"; return a; } /* 判定できないもの: Global */ //Ruby の to_s みたいなもの Object.prototype.to_s = function () { if (typeof(this) === "function") return "function"; return this.toString(); } String.prototype.to_s = function () { return '"' + this + '"'; } Array.prototype.to_s = function () { var a = "["; a += this.map(function(i) { return i.to_s(); }).join(", "); a += "]"; return a; }