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javascript - validate怎么验证下拉框为空给一提示。。
PHP中文网
2017-04-11 12:11:46
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input能验证,下拉框怎么验证用户没有选择!俺是菜鸟,希望大牛们指点下该怎么写HTML
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Peter_Zhu
2017-04-11 12:13:46
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这个插件可以添加自定义方法addMethod,具体的可以看下API。
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这个插件可以添加自定义方法addMethod,具体的可以看下API。