如何在页面加载时清除浏览器缓存

<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Expires" content="0">

<script>
    var randomParam = new Date().getTime();
    var url = "http://example.com/page?param=" + randomParam;
    window.location.href = url;
</script>

<?php
header("Cache-Control: no-cache, no-store, must-revalidate");
header("Pragma: no-cache");
header("Expires: 0");
?>

window.addEventListener("load", function() {
    if (window.performance && window.performance.navigation.type === window.performance.navigation.TYPE_NAVIGATE) {
        // 清除缓存
        if (window.performance && window.performance.clearResourceTimings) {
            window.performance.clearResourceTimings();
        }
    }
});