<p id="demo">单击按钮按照UTC显示给定时间的分钟数</p>

<button onclick="myFunction()">点我</button>

<script>

function myFunction(){

    var d = new Date("July 21, 1983 01:15:00");

    var x = document.getElementById("demo");

    x.innerHTML=d.getUTCMinutes();

}

</script>

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