JavaScriptCollection
diff --git a/‎d3.v2.js‎
Lines changed: 1 addition & 1 deletion b/‎d3.v2.js‎
Lines changed: 1 addition & 1 deletion
@@ -8642,7 +8642,7 @@ var d3_time_parsers = {
 
 // Note: weekday is validated, but does not set the date.
 function d3_time_parseWeekdayAbbrev(date, string, i) {
-  return string.substring(i, i += 3).toLowerCase() in d3_time_weekdayAbbrevLookup ? i : -1;
+  return d3_time_weekdayAbbrevLookup.hasOwnProperty(string.substring(i, i += 3).toLowerCase()) ? i : -1;
 }
 
 var d3_time_weekdayAbbrevLookup = {
Original file line number	Diff line number	Diff line change
`@@ -8642,7 +8642,7 @@ var d3_time_parsers = {`
`8642`	`8642`
`8643`	`8643`	`// Note: weekday is validated, but does not set the date.`
`8644`	`8644`	`function d3_time_parseWeekdayAbbrev(date, string, i) {`
`8645`		`- return string.substring(i, i += 3).toLowerCase() in d3_time_weekdayAbbrevLookup ? i : -1;`
	`8645`	`+ return d3_time_weekdayAbbrevLookup.hasOwnProperty(string.substring(i, i += 3).toLowerCase()) ? i : -1;`
`8646`	`8646`	`}`
`8647`	`8647`
`8648`	`8648`	`var d3_time_weekdayAbbrevLookup = {`