頁面禁止刷新處理Js實現

document.onkeydown = function(e) { e = window.event || e; var k = e.keyCode; //屏蔽ctrl+R，F5鍵，ctrl+F5鍵 F3鍵！驗證 if ((e.ctrlKey == true && k == 82) || (k == 116)

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