Javascript 学习笔记

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Javascript 学习笔记

  1. 1. Javascript 学习笔记 2012-04-13
  2. 2. • http://郭向科 http://%E9%83%AD%E5%90%91%E7%A7%91
  3. 3. • isNaN(expression) 是否为数字• isFinite()是否有限• Boolean(0)• paseFloat(“string”) parseInt(“0x3F8”)• 闭包,就是指程序语言中能让代码调用已 运行的函数中所定义的局部变量。
  4. 4. 随机数• Math.random()*(max-min+1) + min

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