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#### Section/Content To Improve
https://github.com/axios/axios/blob/master/CHANGELOG.md

#### Suggested Improvement
Please add 0.21.1 to the Changelog.

#### Relevant File(s)
https://github.com/axios/axios/blob/master/CHANGELOG.md
dist/axios.js
return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams;
	}
	
	/**
	 * Trim excess whitespace off the beginning and end of a string
	 *
	 * @param {String} str The String to trim
	 * @returns {String} The String freed of excess whitespace
	 */
	function trim(str) {
	  return str.replace(/^\s*/, '').replace(/\s*$/, '');
	}
	
	/**
	 * Determine if we're running in a standard browser environment
	 *
	 * This allows axios to run in a web worker, and react-native.
	 * Both environments support XMLHttpRequest, but not fully standard globals.
	 *
	 * web workers:
	 *  typeof window -> undefined
	 *  typeof document -> undefined
	 *
	 * react-native:
	 *  navigator.product -> 'ReactNative'
	 * nativescript
	 *  navigator.product -> 'NativeScript' or 'NS'
	 */
	function isStandardBrowserEnv() {