if(window.history && window.history.pushState) {
$(window).on('popstate', function() { var hashLocation = location.hash; var hashSplit = hashLocation.split("#!/"); var hashName = hashSplit[1]; if(hashName !== '') { var hash = window.location.hash; if(hash === '') { alert("你点击了返回键"); } } }); window.history.pushState('forward', null, './#forward');}
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