JavaScript onClick event - HTML table

2020-05-25 07:29发布

站内问答 / JavaScript
1614 2 5

I'm learning JavaScript and recently I have been experimenting with Mouse events, trying to understand how they work.

<html>
<head>
    <title>Mouse Events Example</title>
    <script type="text/javascript">
        function handleEvent(oEvent) {
            var oTextbox = document.getElementById("txt1");
            oTextbox.value += "\n" + oEvent.type;

            if(oEvent.type=="click")
            {
            var iScreenX = oEvent.screenX;
            var iScreenY = oEvent.screenY;
            var b = "Clicked at "+iScreenX+" , "+iScreenY;

            alert(b);
            }
        }
        function handleEvent1(oEvent) {
            // alert("Left Window");
        }
    </script>
</head>
<body>
    <p>Use your mouse to click and double click the red square</p>
    <div style="width: 100px; height: 100px; background-color: red"
        onmouseover="handleEvent(event)"
        onmouseout="handleEvent1(event)"
        onmousedown="handleEvent(event)"
        onmouseup="handleEvent(event)"
        onclick="handleEvent(event)"
        ondblclick="handleEvent(event)" id="div1"></div>
    <p><textarea id="txt1" rows="15" cols="50"></textarea></p>
</body>

this is the code I have been trying to understand. Can anyone help me to Create a HTML table that upon clicking in a cell of the table user is told cell he is clicking in? been stuck on it for time, thanks for help.

2条回答
小情绪 Triste *
2楼-- · 2020-05-25 08:16 
var table = document.getElementById("tableID");
if (table != null) {
    for (var i = 0; i < table.rows.length; i++) {
        for (var j = 0; j < table.rows[i].cells.length; j++)
        table.rows[i].cells[j].onclick = function () {
            tableText(this);
        };
    }
}

function tableText(tableCell) {
    alert(tableCell.innerHTML);
}

is an example of what you could do. DEMO

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Melony?
3楼-- · 2020-05-25 08:26

Just insert onclick into each <td> of the table and if the cell's name were example, you could do something similar to this:

<td onclick="alert('You are clicking on the cell EXAMPLE')">
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