JavaScript proportion str Today's date is, parameter diff

function IsToday (str) {    var d = new Date (Str.replace (/-/g, "/"));    var todaysdate = new Date ();    if (d.sethours (0, 0, 0, 0) = = todaysdate.sethours (0, 0, 0, 0)) {        return true;    } else {        return false;}    }

by default7#zbphp.com

Make your own changes. Add a diff parameter. Diff is the number of days

function IsToday (str, diff) {    var d = new Date (Str.replace (/-/g, "/"));    var todaysdate = new Date ();    if (!isnan (diff)) {        d.setdate (d.getdate () + diff);    }    if (d.sethours (0, 0, 0, 0) = = todaysdate.sethours (0, 0, 0, 0)) {        return true;    } else {        return false;    }}

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JavaScript proportion str Today's date is, parameter diff