value of date input to date object · jsPerf

<script>
var valueOfDateInput = "2013-06-11";

function a(str) {
    return new Date(str.split('-').join('/'));
}

function b(str) {
    var parts = "2013-06-11".split('-');
    return new Date(parts[0], parts[1]-1, parts[2])
}
</script>

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