Javascript Integer object is not defined - Stack Overflow

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I'm trying to get a stored number in the device's memory and parse it to integer using the method Integer.parseInt.

win:function(){
    this.reset();
    if(Integer.parseInt(window.localStorage.getItem("curLevel"))<this.levelNo)
    {
        window.localStorage.setItem("curLevel", this.levelNo+1);
        renderAllLevels();
    }
    $.mobile.pageContainer.pagecontainer("change", "#winlevel");
}

But when the function win is called I recieve the error Uncaught ReferenceError: Integer is not defined.

I used Integer.parseInt in other lines in my project and it worked without any error.

What is the potential error in using it here?

I'm trying to get a stored number in the device's memory and parse it to integer using the method Integer.parseInt.

win:function(){
    this.reset();
    if(Integer.parseInt(window.localStorage.getItem("curLevel"))<this.levelNo)
    {
        window.localStorage.setItem("curLevel", this.levelNo+1);
        renderAllLevels();
    }
    $.mobile.pageContainer.pagecontainer("change", "#winlevel");
}

But when the function win is called I recieve the error Uncaught ReferenceError: Integer is not defined.

I used Integer.parseInt in other lines in my project and it worked without any error.

What is the potential error in using it here?

• javascript

Share Improve this question Follow edited Jan 13, 2016 at 20:03 Chris Martin 30.8k1212 gold badges8080 silver badges140140 bronze badges asked Jan 13, 2016 at 20:00 AbozanonaAbozanona 2,29511 gold badge2929 silver badges6666 bronze badges 2

• 3 parseInt is a global function. There's no global object called Integer. If it wasn't causing errors before, it was probably in a different language. – Mike Cluck Commented Jan 13, 2016 at 20:01
• When using the < parison you don't really have to parse it, if one side is a number, the other is treated as a number – adeneo Commented Jan 13, 2016 at 20:02

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2 Answers 2

Sorted by: Reset to default 13

Java != JavaScript.

Use parseInt(value, 10).

parseInt() is a global method, no need to link it to any object, you might want to change your code like so:

if( parseInt(window.localStorage.getItem("curLevel")) < this.levelNo )

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