WeChat public account monitors the return button and clicks the return button to close the page code

mounted() {
    
    
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    window.addEventListener(
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      function(e) {
    
    
        WeixinJSBridge.call("closeWindow");
      },
      false
    );
    function pushHistory() {
    
    
      var state = {
    
    
        title: "title",
        url: "#"
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      window.history.pushState(state, "title", "#");
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