lovecoding
/
web0715


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="box"></div>
    <button id="btn">按钮</button>
    <script>
        var oBxo = document.querySelector("#box");
        var oBtn = document.querySelector("#btn");

        var i = 1;
        var obj = {};
        oBtn.onclick = function(){

            history.pushState(i,"");
            var str = `第${i}个页面`
            oBxo.innerText = str;
            obj[i] = str;
            // console.log(history);
            i++;

        }
        window.onpopstate = function(e){
            console.log(e)
            oBxo.innerText = obj[e.state]
        }
    </script>
</body>
</html>