1.2.3.9.觀念小叮嚀:陣列——任何東西的集合
JavaScript的陣列可以混和不同型別的東西
var arr = new Array();
var arr = [];
var arr = [1, 2, 3];
var arr = [
1,
false,
{
name: 'Tony',
address: '111 Main st.'
},
function(name) {
console.log(name);
},
"hello"
]
console.log(arr);
//invoke function
arr[3](arr[2].name);
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