zishu's blog

zishu's blog

一个热爱生活的博主。https://zishu.me
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技术

一些容易遗漏的点
监听对象时如果值是 null 会报错，默认值设置为 {}； for in 只能遍历对象 i in 4 是错误的写法； 动态获取数组 - 拼接传参 Copy var arr = [ "单位1", "单位2", "单位3", "单位4", "单位5"…
技术
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