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求教容易的JS验证表单

WBOY
Release： 2016-06-13 10:34:22
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求教简单的JS验证表单

上面的代码可以在客户端实现验证为空，但是为什么验证为空之后，网页还是指向form的action那个页面呢？也就是说表单还是提交了是吧?该怎么修改呢？修改成验证通过了在提交。谢谢各位了，我新手，问题很简单，望谅解。

------解决方案--------------------


这样写，删掉按钮的onclick 。
Related labels：
alert focus form quot return
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