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JS judgment cannot be empty example code_javascript skills

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WBOYOriginal
2016-05-16 17:12:32842browse
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                                                                                                              {
                                                                                                                                                                return FALSE; } else if (document.form.email.value == "") {
Alert ("Content cannot be empty!")
                this.form1.eamil.focus();
                return false;
            }else form1.submit(); 
}
       
   

   
       

           
               


                   


                       
                   
               

               

                       
                           
                           
                       
                       
                           
                           
                       

                       
               
                       
               
           
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