Closed Bug 454271 Opened 17 years ago Closed 17 years ago

Leading zero causes incorrect results from javascript:parseInt()

Categories

(Firefox :: General, defect)

Product:
Firefox
Component:
General
Platform:
PowerPC
macOS
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED DUPLICATE of bug 43425

People

(Reporter: jnsears, Unassigned)

Details

User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.1) Gecko/2008070206 Firefox/3.0.1 Build Identifier: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.1) Gecko/2008070206 Firefox/3.0.1 parseInt("-0321"); // returns -209 parseInt("0321"); // returns 209 parseInt("-0421"); // returns -273 parseInt("0421"); // returns 273 Reproducible: Always Steps to Reproduce: 1. Execute javascript containing alert(parseInt("-0321")); 2. ??? 3. Profit!!! Actual Results: An alert box containing -209 Expected Results: An alert box -321
No, it's correct. A number that starts with 0 is an *octal* number, not decimal. 321 octal = 209 decimal. See bug 43425 comment 3 for an explanation and an easy fix.
Status: UNCONFIRMED → RESOLVED
Closed: 17 years ago
Resolution: --- → DUPLICATE
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