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时间精确计算程序
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类型:
Full Script |
类别:
HTML Manipulation
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许可证:
GNU General Public License |
语言:
JavaScript
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描述:
两个按钮，分别是计时开始与计时结束，可以精确地计算反应速度
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该代码片段的版本系列:
| 片段ID |
下载版本 |
提交时间 |
提交人 |
删除 |
| 4644 | 1.0 | 2003-10-13 22:33 | cbd001 |  |
点击"下载版本"来下载该代码片段.
最新版本的代码片段: 1.0
脚本说明:
把如下代码加入<body>区域中
<script language="Javascript">
<!-- Gracefully hide from old browsers
function timestamp_class(this_current_time, this_start_time, this_end_time, this_time_difference) {
this.this_current_time = this_current_time;
this.this_start_time = this_start_time;
this.this_end_time = this_end_time;
this.this_time_difference = this_time_difference;
this.GetCurrentTime = GetCurrentTime;
this.StartTiming = StartTiming;
this.EndTiming = EndTiming;
}
//Get current time from date timestamp
function GetCurrentTime() {
var my_current_timestamp;
my_current_timestamp = new Date(); //stamp current date & time
return my_current_timestamp.getTime();
}
//Stamp current time as start time and reset display textbox
function StartTiming() {
this.this_start_time = GetCurrentTime(); //stamp current time
document.TimeDisplayForm.TimeDisplayBox.value = 0; //init textbox display to zero
}
//Stamp current time as stop time, compute elapsed time difference and display in textbox
function EndTiming() {
this.this_end_time = GetCurrentTime(); //stamp current time
this.this_time_difference = (this.this_end_time - this.this_start_time) / 1000; //compute elapsed time
document.TimeDisplayForm.TimeDisplayBox.value = this.this_time_difference; //set elapsed time in display box
}
var time_object = new timestamp_class(0, 0, 0, 0); //create new time object and initialize it
//-->
</script>
<form>
<input type="button" value="开始" onClick="time_object.StartTiming()"; name="StartButton">
</form>
<form>
<input type="button" value="结束" onClick="time_object.EndTiming()"; name="EndButton">
</form>
<form name="TimeDisplayForm">
经过了:
<input type="text" name="TimeDisplayBox" size="6">
秒
</form>
如果您修改了一个代码片段并且觉得很应该让别人共享,您可以把这作为这个代码片段的最新版本提交上来. |
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