How to close browser events in javascript

Javascript method to close browser events: 1. Use the onbeforeunload method. Closing or refreshing the browser will trigger this event; 2. Use the popstate method, the code is [history.pushState("123", null, document .UR】.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, DELL G3 computer.

javascript is turned off Browser event methods:

1, onbeforeunload

Closing or refreshing the browser will trigger this event

Sample code

window.onbeforeunload = function(ev) {       
    return true;
};

2, popstate

Sample code

window.history.pushState("123", null, document.URL);
window.addEventListener("popstate", function() {
    _this.isMsgShow = true;
    history.pushState("123", null, document.URL);
});

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