What does this construct mean?
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by ArneRie
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Published on 2010-05-10T10:58:19Z
Indexed on
2010/05/10
11:04 UTC
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JavaScript
Iam debugging some javascript, and cant explain what this "||" does?
loadingError: function(title, msg){
var title = title || 'Error';
var msg = msg || 'Error on Request';
new my.widget.InformationBox({
title: title,
message: msg,
type: 'error'
}).show();
}
Can someone give me an hint, why this guy is using var title = title || 'ERROR' ??
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