JS gets the first and last day of the month

Source: Internet
Author: User

<script>
First day of the month
function Showfirstday ()
{
var nowdate=new Date ();
var monthfirstday=new Date (Nowdate.getyear (), Nowdate.getmonth (), 1). GetDate ();
return monthfirstday;
}
Last day of the month
function Showlastday ()
{
var nowdate=new Date ();
var tmpdate=new Date (Nowdate.getyear (), Nowdate.getmonth () +1,1);
Tmpdate.setdate (Tmpdate.getdate ()-1);
return new Date (Nowdate.getyear (), Nowdate.getmonth (), tmpdate.getdate ());
var monthlastday=new Date (tmpDate-86400000). GetDate ();
return monthlastday;
}
var last = Showlastday ();
var start = Showfirstday ();
var date = new Date ();
var a = new Array ();
for (Var i=start;i<=last;i++)
{
A[i-1] = (Date.getmonth () +1) + "-" +i;
}
</script>

JS gets the first and last day of the month

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