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说不定还会出现情不自禁的状况。When we have added a series of validation rules to the validator object, we will call the validator.start () method to start the validation. If validator.start () returns an errorMsg string as the return value, indicating that the validation failed, the registerForm.onsubmit method is required to return false to prevent form submission. Let's take a look at the initialization code as follows:这个月，不仅《寻秦记》完结，《笑傲江湖》电视剧也进入结尾阶段，很快也会完结。//Since the single pattern is instantiated only once, the following instances are equalChairman of MDT Meeting说道：这个不必担心，我们小心防备着就是了。Adapter mode is intended to transform interfaces. It can make two classes that can no longer work together work together, so it is often used in class library reuse, code migration, etc. For example, the DataAdapter class applies the adapter pattern. Adapter mode includes class adapter mode and object adapter mode. The specific structure is shown in the following figure. On the left is class adapter mode and on the right is object adapter mode.