jquery - paste email to input and validation right away. - 


function checkemail(){   // set variable   var email_target = $("#signupmenu-emailinput");   var email_value = email_target.val();   var email_errorspan = $("#email-errorresult");   var emailpass_boolean;    if(email_value === ""){     // email empty     email_errorspan.html("please enter email.");     email_errorspan.css("color", "red");     email_target.css("border-color", "red");   }else if(email_value > 0){         email_errorspan.html("pass.");     email_errorspan.css("color", "red");     email_target.css("border-color", "red");   } }  $(document).ready(function(){         // singup email input     $("#signupmenu-emailinput").bind({       keyup : function(){         checkemail();       },       paste : function(){         checkemail();       }     }); });

my intention validation went user copy past on input , validation right away , somehow if paste , ask me enter email email should ok , should text out pass.

see demo understand more.

how did make input check , validation after paste ? demo here

your validation wrong, you're checking numeric value inside field doing 

if(email_value > 0)

change to

if(email_value.length > 0)

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