<script>
<span style="font-size:18px;"><span style="font-size:18px;"></span><pre name="code" class="javascript">
var str = "2016-04-20 00:00:00";

var subStr=str.substring(2,str.length).replace(/-/g,"").replace(/:/g,"").replace(/\s/g, "");


<span style="font-size:18px;">
substring(2,str.length)//擷取根據情況看寫不寫。

replace(/-/g,"")//全域性替換"-"
replace(/:/g,"")//全域性替換":"

replace(/\s/g, "")//去掉字串內所有空格</span></span></script>