是否有可能在每次单击按钮/图标(除了第一个带有标题的按钮/图标)时打乱表格行并使它们随机出现?类似于 w3schools 的“如何对表进行排序”(https://www.w3schools.com/howto/howto_js_sort_table.asp),但表会随机排序。
另一种可能性是使用 JavaScript 数组排序,但我不知道如何使表行显示为数组的内容。
https://jsfiddle.net/17bjxgfa/1/
我更喜欢普通的 JS 解决方案而不是 jQuery。
这是我们可以使用的示例表:
.table-div {
padding-top: 1rem;
}Run Code Online (Sandbox Code Playgroud)
<div class="table-div">
<table id="myTable">
<tr>
<th class="button"><button class="my-btn" type="button" onclick="sortTable()">
shuffle</button></th>
<th>Text:</th>
<th></th>
</tr>
<tr>
<td class="left">Some text 1</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 2</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 3</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 4</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 5</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 6</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 7</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>Run Code Online (Sandbox Code Playgroud)
您可以执行以下操作:
document.getElementsByTagName如果您想要更具体一点 - document.querySelectorAll。HTMLCollection,因此您可以将其转换为数组。function sortTable() {
//get the parent table for convenience
let table = document.getElementById("myTable");
//1. get all rows
let rowsCollection = table.querySelectorAll("tr");
//2. convert to array
let rows = Array.from(rowsCollection)
.slice(1); //skip the header row
//3. shuffle
shuffleArray(rows);
//4. add back to the DOM
for (const row of rows) {
table.appendChild(row);
}
}
/**
* Randomize array element order in-place.
* Using Durstenfeld shuffle algorithm.
* from: https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array/12646864#12646864
*/
function shuffleArray(array) {
for (var i = array.length - 1; i > 0; i--) {
var j = Math.floor(Math.random() * (i + 1));
var temp = array[i];
array[i] = array[j];
array[j] = temp;
}
}Run Code Online (Sandbox Code Playgroud)
.table-div {
padding-top: 1rem;
}Run Code Online (Sandbox Code Playgroud)
<div class="table-div">
<table id="myTable">
<tr>
<th class="button"><button class="my-btn" type="button" onclick="sortTable()">
shuffle</button></th>
<th>Text:</th>
<th></th>
</tr>
<tr>
<td class="left">Some text 1</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 2</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 3</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 4</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 5</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 6</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>
<tr>
<td class="left">Some text 7</td>
<td><input type="text"></td>
<td class="right">more text.</td>
<td class="button"><button class="my-btn" type="button">
check</button></td>
</tr>Run Code Online (Sandbox Code Playgroud)
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