[請益] JavaScript如何列舉陣列所有可用方法？
如標題，我想用一個for迴圈列舉出『陣列』所有可以使用的方法
例如，我使用以下程式可以列出所有『document』的方法
============================================================
for (key in document) {
document.write(key + ": " + document[key] + "<br>");
}
============================================================
如果我改成...
============================================================
var myArray = [123, "abc"];
for (key in myArray) {
document.write(key + ": " + myArray[key] + "<br>");
}
============================================================
執行結果會輸出：『123』、『abc』
但這不是我要的結果...
請問各位大大要如何做呢...
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