前端学习笔记

day21

点击按钮，插入表格

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        button {
            width: 100px;
            height: 50px;
        }

        tr {
            border: 1px solid red;
        }

        td {
            border: 1px solid red;
        }
    </style>
</head>

<body>
    <input type="text">
    <input type="text">
    <input type="text">
    <button id="btn"></button>
    <table></table>
</body>


<script>
    var oinput = document.querySelectorAll("input")
    var obtn = document.querySelector("button")
    var obady = document.querySelectorAll("body")




    obtn.onclick = function () {
        var table = document.createElement("table")
        document.body.appendChild(table)

        var tr = document.createElement("tr")
        table.appendChild(tr)
        //    var tdf = document.createElement("td")
        //    tdf.innerHTML = oinput[0].value
        //    var tds = document.createElement("td")
        //    tds.innerHTML = oinput[1].value
        //    var tdt=document.createElement("td")
        //    tdt.innerHTML=oinput[2].value
        for (var i = 0; i < oinput.length; i++) {
            var oTd = document.createElement("td")
            oTd.innerHTML = oinput[i].value
            tr.appendChild(oTd)
        }

        var tdfo = document.createElement("td")
        tdfo.innerHTML = "<button οnclick='btn1(this)'>删除</button>"






        //    tr.appendChild(tdf)
        //    tr.appendChild(tds) 
        //    tr.appendChild(tdt)
        tr.appendChild(tdfo)
    }

    function btn1(o) {
        o.parentNode.parentNode.remove()
    }



</script>

</html>