You could use this:
var str="2012-03-23 00:00:00";
function convert(a){
    a=a.split(' ')[0].split('-');
    var ret=[];
    for(var i=a.length;0<=--i;){
        ret.push(1===i?parseInt(a[i],10):a[i])
    }
    return ret.join("https://stackoverflow.com/");
}
alert(convert(str));
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solved How to format isoDateTime to dd/m/yyyy