html進度條倆種實現方式

來源:互聯網
上載者:User

方式一:

<HTML>

 <HEAD>
 <script type="text/javascript">
var mytimer = null;  var bar = 0;
function processbar() {
    if (bar < 200) {
bar++;
document.getElementById("processbar").style.width = bar + "px";
mytimer = window.setTimeout("processbar()", 50);
    }
}
function startbar() {
    mytimer = window.setTimeout("processbar()", 50);
}
function pausebar() {
    window.clearTimeout(mytimer);
}
 </script>
 </HEAD>

 <BODY>
  <div style="width: 200px; height: 10px; border: solid 1px #ccc; padding: 1px;">
<div id="processbar" style="background-color: #90EE90; width: 0px; height: 10px;"></div>
</div>
<input type="button" value="開始" onclick="startbar();" />
<input type="button" value="暫停" onclick="pausebar();" />
 </BODY>

</HTML>

方式二:

<HTML>
 <HEAD>
 <script type="text/javascript">
 var mytimer = null;  var bar = 0;
 function processbar() {
     if (bar < 200) {
  bar++; document.getElementById("processbar").style.width = bar + "px";
     }
 }
 function startbar() {
     mytimer = window.setInterval("processbar()", 50);
 }
 function pausebar() {
     window.clearInterval(mytimer);
 }

 </script>
 </HEAD>

 <BODY>
  <div style="width: 200px; height: 10px; border: solid 1px #ccc; padding: 1px;">
<div id="processbar" style="background-color: #90EE90; width: 0px; height: 10px;"></div>
</div>
<input type="button" value="開始" onclick="startbar();" />
<input type="button" value="暫停" onclick="pausebar();" />
 </BODY>
</HTML>

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