js创建表格 JavaScript创建表格的方法

时间:2021-04-21 TomHe789 人气:0
<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>

</head>
<body>
<div id = "mountains"></div>

<script>
 let MOUNTAINS = [
  {name: "Kilimanjaro", height: 5895, place: "Tanzania"},
  {name: "Everest", height: 8848, place: "Nepal"},
  {name: "Mount Fuji", height: 3776, place: "Japan"},
  {name: "Vaalserberg", height: 323, place: "Netherlands"},
  {name: "Denali", height: 6168, place: "United States"},
  {name: "Popocatepetl", height: 5465, place: "Mexico"},
  {name: "Mont Blanc", height: 4808, place: "Italy/France"}
 ];

 // 创建表格
 function buildTable(data) {
  let table = document.createElement("table");
  let tr = document.createElement("tr");
  // 通过 for in 循环遍历对象,得到对象的属性,为表头添加内容
  for (let i in data[6]) {
   let th = document.createElement("th");
   th.innerText = i;
   tr.appendChild(th);
  }
  table.appendChild(tr);
  // 通过 forEach 循环遍历对象数组,为表格添加行
  data.forEach((value, index) => {
   let tr = document.createElement("tr");
   // 通过 for in 循环遍历对象,得到对象的属性,给每行添加内容
   for (let index1 in data[index]) {
    let td = document.createElement("td");
    td.innerText = data[index][index1];
    tr.appendChild(td);
   }
   table.appendChild(tr);
  });
  //设置表格的对齐属性,和边框属性
  table.setAttribute("text-align", "right");
  table.setAttribute("border","1");

  return table;
 }

 document.querySelector("div").appendChild(buildTable(MOUNTAINS));
</script>
</body>
</html>
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