javascriptは随筆を勉強します.

1227 ワード

<html>

<head>

<script type="text/javascript">

function startTime()

{

var today=new Date()//      

var h=today.getHours()

var m=today.getMinutes()

var s=today.getSeconds()//     

// add a zero in front of numbers<10

m=checkTime(m)

s=checkTime(s)

document.getElementById('txt').innerHTML=h+":"+m+":"+s

t=setTimeout('startTime()',500)//0.5            0.5            

}



function checkTime(i)

{

if (i<10) 

  {i="0" + i}

  return i

}//   ,    10       0

</script>

</head>



<body onload="startTime()">

<div id="txt"></div>

</body>

</html>

 時計を作るために時計を使います.
 
<html>

<body>



<script type="text/javascript">



function person(firstname,lastname,age,eyecolor)

{

this.firstname=firstname

this.lastname=lastname

this.age=age

this.eyecolor=eyecolor

}



myFather=new person("John","Adams",35,"black")



document.write(myFather.firstname + "      " + myFather.age + "  。")



</script>



</body>

</html>

 オブジェクト用のテンプレートを作成します.