Scripts/OtherJs/eCharts/zrender-master/benchmark/lib/platform.js

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

/*!
 * Platform.js v1.2.0 <http://mths.be/platform>
 * Copyright 2010-2014 John-David Dalton <http://allyoucanleet.com/>
 * Available under MIT license <http://mths.be/mit>
 */
;(function() {
  'use strict';

  /** Used to determine if values are of the language type `Object` */
  var objectTypes = {
    'function': true,
    'object': true
  };

  /** Used as a reference to the global object */
  var root = (objectTypes[typeof window] && window) || this;

  /** Backup possible global object */
  var oldRoot = root;

  /** Detect free variable `exports` */
  var freeExports = objectTypes[typeof exports] && exports;

  /** Detect free variable `module` */
  var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;

  /** Detect free variable `global` from Node.js or Browserified code and use it as `root` */
  var freeGlobal = freeExports && freeModule && typeof global == 'object' && global;
  if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
    root = freeGlobal;
  }

  /**
   * Used as the maximum length of an array-like object.
   * See the [ES6 spec](http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength)
   * for more details.
   */
  var maxSafeInteger = Math.pow(2, 53) - 1;

  /** Opera regexp */
  var reOpera = /Opera/;

  /** Possible global object */
  var thisBinding = this;

  /** Used for native method references */
  var objectProto = Object.prototype;

  /** Used to check for own properties of an object */
  var hasOwnProperty = objectProto.hasOwnProperty;

  /** Used to resolve the internal `[[Class]]` of values */
  var toString = objectProto.toString;

  /*--------------------------------------------------------------------------*/

  /**
   * Capitalizes a string value.
   *
   * @private