<script type="text/javascript">
function extend(source, target) {
for(var key in source) {
var value =https://www.cnblogs.com/520yh/p/ source[key];
target[key] = value;
}
}
// extend(source, target)
var a = {
gender: '男',
grade: '初三',
group: '第五組',
name: '李白'
};
var b = {};
extend(a, b);
b.name = "杜甫";
console.log(b)
var c = {};
extend(a, c)
c.name = "蘇軾";
console.log(c)
//
//es6語法 拷貝繼承
var q = {name:'李白',age:"18"}
var w = {...q}
console.log(w)
var w1 = {...q,age:'20'}
console.log(w1)
</script>
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標籤：JavaScript
下一篇：js拷貝繼承