Function sanitizeURL

lib/assets/react-source/development/react.js:4861–4869

(url)

	var didWarn = false;

	function sanitizeURL(url) {
	  {
	    if (!didWarn && isJavaScriptProtocol.test(url)) {
	      didWarn = true;

	      error('A future version of React will block javascript: URLs as a security precaution. ' + 'Use event handlers instead if you can. If you need to generate unsafe HTML try ' + 'using dangerouslySetInnerHTML instead. React was passed %s.', JSON.stringify(url));
	    }
	  }
	}

	/**
	 * Get the value for a property on a node. Only used in DEV for SSR validation.