純js程式碼判斷密碼input文字輸入內容是否一致
阿新 • • 發佈：2018-11-25
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> </head> <body> <form > password1:<input type="text" id="a" required="required"/><br /> password2:<input type="text" id="b" onblur="check()" required="required"/> <input type="submit" value="提交" /> </form> <script> function check(){ var password1=document.getElementById("a").value; var password2=document.getElementById("b").value; if(password1!=password2){ alert("密碼不一致請核查"); } } </script> </body> </html>