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背景故事,我正在研究一個Chrome擴展,它允許用戶從用戶內容頁面檢索特定數據並進行一些計算。如何通過包含多個使用JavaScript的td的字符串循環?
我遇到的問題是如何過濾包含多個td元素的字符串,以獲取它的innerText,然後將每個找到的數組存儲到數組中。
HTML表內容&的Javascript:
<table id="countryList">
<tr>
<td>Europe</td>
<td>France</td>
<td>Sweden</td>
<td>Germany</td>
</tr>
<tr>
<td>Asia</td>
<td>Singapore</td>
<td>Thailand</td>
<td>Japan</td>
</tr>
</table>
var table = document.getElementById('countryList');
var tdArray = new Array;
for (var r = 0, n = table.rows.length; r < n; r++)
{
for (var c = 0, m = table.rows[r].cells.length; c < m; c++) {
var stringContainTd = table.rows[r].cells[0].innerHTML);
}
}
//loop through stringContainTd to find each td element and store it's innerText into tdArray.