Date.getDay() javascript return wrong day

Hi I\’m new in javascript

I have such javascript code

    alert(DATE.value);
    var d = new Date(DATE.value);
    var year = d.getFullYear();
    var month = d.getMonth();
    var day = d.getDay();
    alert(month);
    alert(day);
    if(2012 < year < 1971 | 1 > month+1 > 12 | 0 >day > 31){
        alert(errorDate);
        DATE.focus();
        return false;
    }

DATE.value = \”11/11/1991\”

when I call alert(day); it shows me 3;

when I call alert(d); it is returns me correct info

where I made mistake

please help

Rating: 2 out of 5 based on 5 ratings

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