Throw error when insertAt parameter is not 'top' or 'bottom'.

2015-07-27 10:21:53 -07:00 · 2015-07-27 10:21:53 -07:00 · 02e4fb5181
parent 99d8fe064c
commit 02e4fb5181
1 changed files with 2 additions and 0 deletions
--- a/addStyles.js
+++ b/addStyles.js
@ -106,6 +106,8 @@ function createStyleElement(options) {
 		head.insertBefore(styleElement, head.firstChild);
 	} else if (options.insertAt === "bottom") {
 		head.appendChild(styleElement);
+	} else {
+		throw new Error("Invalid value for parameter 'insertAt'. Must be 'top' or 'bottom'.");
 	}
 	return styleElement;
 }