javascript - 如何将时间戳的按钮文本转换为 jquery 中的整数？

Question

$(".BtnRed, .BtnTime1, .BtnTime2").click(function() { 
    if ($(this).text() == "Green") { 
        $(this).text(new Date()); 
    } else { 
        $(this).text("Green"); 
    }; 
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<table class="table table-hover table-condensed" border = "1px">
	<thead>
	<tr>
	<td>HospitalNumber</td>
	<td>PatientName</td>
	<td>Procedure</td>
	<td>Notes</td>
	<td>Ward/Unit</td>
	<td>Made Ready</td>
	<td>Pre-Recovery</td>	
	<td>GA</td>
	<td>Time-In Room</td>
	<td>Time-Out Room</td>
	<td>Post Recovery</td>
	<td>Back On Ward</td>
	<td>Time Difference</td>
	</tr>
	</thead>
	<tbody>
	<tr>
	<td><br/></td>
	<td><br/></td>
	<td><br/></td>
	<td><br/></td>
	<td><br/></td>
	<td>
	<select>
	<option class="MRR" value="Red - Not seen/Ready DNA">Red - Not seen/Ready DNA</option>
    <option class="MRA"   value="Canula" >Cannula</option>
    <option class="MRA" value="Consent" >Consent</option>
	<option class="MRG" value="Green">Green</option>
	</select>
	</td>
	<td>
	<select>
    <option class="PRA" value="Delay" >Delay</option>
    <option class="PRA" value="Stemi" >Stemi</option>
	<option class="PRA" value="Consultants">Consultants</option>
	<option class="PRA" value="Overrun">Overrun</option>
	<option class="PRG" value="Green">Green</option>
	</select>
	</td>
	<td><button class = "BtnRed btn-danger btn-block btn-outline-dark">Green</button></td>
	<td><button class = "BtnTime1 btn-danger btn-block btn-outline-dark">Green</button></td>
	<td><button class = "BtnTime2 btn-danger btn-block btn-outline-dark">Green</button></td>
	<td>
	<select>
	<option class="PRRR" value="Red - Recovery Post GA">Red - Recovery Post GA</option>
    <option class="PRRA" value="Monitor (Lab)">Monitor (Lab)</option>
    <option class="PRRA" value="A/W Bed" >A/W Bed</option>
	<option class="PRRA" value="Medical Review">Medical Review</option>
	<option class="PRRG" value="Green">Green</option>
	</select>
	</td>
	<td><button class = "BtnRed btn-danger btn-block btn-outline-dark">Green</button></td>
	<td class = "TimeDiff"><br/></td>
	</tr>
	</tbody> 
	</table>

您好，我有一些调用类“.BtnRed、.BtnTime1、.BtnTime2”的 jQuery 代码，当单击按钮时它会以字符串格式显示时间戳。我想将格式转换为数值(例如整数)，这样我就可以减去两个日期并计算出时差。

非常感谢!

Answer 1

同样使用获取时间的方法:

var d = new Date();
console.log(d.getTime());

可以找到更多详细信息here