JavaScript 中的 console.table()

console.table() 允许在控制台中以漂亮的表格格式显示数据. 当需要可视化复杂的数组或对象时,它非常方便。

 1var someArray = [
 2 "Blowin' in the Wind",
 3 "Like a Rolling Stone",
 4 "Knockin' On Heaven's Door"
 5];
 6
 7console.table(someArray);
 8
 9// Array of arrays:
10var anotherArray = [
11 ["One", "Two"],
12 ["Three", "Four"],
13 ["Five", "Six"]
14];
15
16console.table(anotherArray);

以下是一个对象的例子:

 1function HitSingle(title, artist,
 2  year, album) {
 3  this.title = title;
 4  this.artist = artist;
 5  this.year = year;
 6  this.album = album;
 7}
 8
 9var favHit = new HitSingle(
10    "Like a Prayer",
11    "Madonna",
12    "1989",
13    "Like a Prayer"
14    );
15
16console.table(favHit);

可选的第二个参数为 console.table():一个包含列的名称的数组。

试试! 打开您的控制台以查看结果. 请记住,在 IE 中,console.table() 不受支持。

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