我正在嘗試將“takenappt”數組中找到的表格單元格的背景顏色更改為黑色,而不是默認的白色。這是我到目前為止所擁有的:<!DOCTYPE html><html><head><title>Test</title></head><body><table id="table"></table><script type="text/javascript"> //this code prints out the table. let table = document.getElementById("table"); for (a = 0; a < 3; a++) { let row = table.insertRow(a); for (b = 0; b < 3; b++) { row.insertCell(b); table.rows[a].cells[b].innerHTML = a; table.rows[a].cells[b].id = a + ":" + b; } } var takenappt = ["0:1", "1:2"]; var repeat = takenappt.length; //this code is supposed to go through my takenappt array and change the background color of certain table cells. for (i = 0; i < repeat; i++) { var appt = document.getElementById(takenappt[i]); appt.style.backgroundColor = black; }</script></body></html>我試圖用 row:column 鍵存儲每個表單元格,然后將某些鍵放入 takeappt 數組中,以便從數組中檢索它們并使用它來更改該表單元格的顏色。任何幫助將不勝感激。
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