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Date Dates · Math Object

Source: Internet
Author: User
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1.Date Date

The--date object is used to process dates and times.

Syntax for the Date object:

var mydate=new Date ()

2.Date Object Methods

eg

<style type= "Text/css" >
#date {
width:400px;
height:30px;
}

</style>
<body>
<input type= "text" id= "date" >
<input type= "button" value= "Current date" id= "BTN" >
<input type= "button" value= "id=" BTN1 ">

</body>
<script type= "Text/javascript" >
var Date=document.getelementbyid ("date");
var Btn=document.getelementbyid ("btn");
var Btn1=document.getelementbyid ("Btn1");

Btn.onclick=function () {
date.value= date ();//return current date
};

Btn1.onclick=function () {
var ndat=new Date ();
Date.value=ndat.getdate ();//a day of the current month, an integer of 1--31
Date.value=ndat.getmonth ();//month, 1--11 integer
Date.value=ndat.getfullyear ();//four-digit year
Date.value=ndat.gethours ();//hour
Date.value=ndat.getminutes ();//min
Date.value=ndat.getseconds ();//sec
Date.value=ndat.getmilliseconds ();//milliseconds

Date.value=ndat.getmonth () +1;//month, 1--11 integer
var B=date.value;
Date.value= "Present moment:" +
Ndat.getfullyear () + "year" +b+ "month" +ndat.getdate () + "Day" +
Ndat.gethours () + "point" +ndat.getminutes () + "Min" +ndat.getseconds () + "seconds" +
Ndat.getmilliseconds ();
};

var ndat=new Date ();
var sedat= "Now moment:" +
Ndat.setfullyear (1970) + "Year" +ndat.setmonth (1) + "Month" +ndat.setdate (1) + "Day" +
Ndat.sethours (12) + "point" +ndat.setminutes (12) + "Min" +ndat.setseconds (12) + "seconds" +
Ndat.setmilliseconds (12);
document.write (Ndat);
</script>

3.Math objects

The--math object is used to perform mathematical tasks.

Syntax for the properties and methods of Math:

var Pi_value=math.pi;
var sqrt_value=math.sqrt (15);

4.Math Object Methods

<script type= "Text/javascript" >
document.write ("Pi pi:" +math.pi+ "<br>");
document.write ("Ceil Rounding (12.253):" +math.ceil (12.253) + "<br>");
document.write ("Floor Rounding (12.253):" +math.floor (12.253) + "<br>");
document.write ("Round Rounding (12.253):" +math.round (12.253) + "<br>");
document.write ("Round Rounding (12.53):" +math.round (12.53) + "<br>");
document.write ("Round Rounding ( -4.5):" +math.round ( -4.5) + "<br>");
document.write ("Round Rounding ( -4.2):" +math.round ( -4.2) + "<br>");
document.write ("Max Max"): "+math.max (12,2,4,45,1) +" <br> ");
document.write ("Max Maximum (NAN)"): "+math.max (" a ", 2,4,45,1) +" <br> ");
document.write ("Min min"): "+math.min (12,2,4,45,-1) +" <br> ");
document.write (Min min (NAN)): "+math.min (" a ", 2,4,45,1) +" <br> ");
document.write ("Random Number" +math.random () + "<br>");

</script>

Date Dates · Math Object

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Related Keywords:
date object unix date math php date math linux date math sql date math date difference between two dates mysql date between two dates

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