5 replies to this topic

[thatsme]

I would be greatful if enyone could explain me why this piece of code produces error at bolded lines. First and second lines are executed corectly

  
    ...
    var confirmCodePattern = /g(b+)g/g;
    var confirmCodePatternOccurs = confirmCodePattern.exec(field.value);
    [B]alert("length: " + confirmCodePatternOccurs.length);
[/B]   [B] if (confirmCodePatternOccurs.length < 2){[/B]
        alert("Wrong format of confirm code");
        document.getElementById("row7").style.background = "#FF4040";
        return false;
    ...
    return true;

[WingedPanther]

What is the error message?

[wim DC]

If exec fails to match the string, it returns null. Maybe you get a nullpointer by that.

[thatsme]

Actually, i don't know error message, because i code in simple text editor (i am new to javascript). Maybe you could recommend any good javascript IDE? I assume i get error in that line because code stops being executed

[wim DC]

The error should be shown in the browser.
press F12 and click the Script tab in IE.
CTRL+Shift+J in chrome.
And something else for firefox :P

[thatsme]

I have figured out that i got error because i tried to find size of array which was null. Thanks for help