检查同一功能中多个输入字段的长度不同

Question

解决了！！我已经更改了一点代码，我认为现在更正确了，现在我已将事件对象用于目标模糊的输入。    var inputHandler = document.getElementsByTagName("input")[0];    var inputListener = document.getElementsByTagName("input")[1];    var msg = document.getElementById("message");    function checkLength(e, minLength){        el = e.target;        if (el.value.length < minLength) {            msg.textContent = "please, introduce at least " + minLength + " characters";            el.style.borderColor = "red";        }        else{            msg.textContent = "";            el.style.borderColor = "green";        }    }    inputHandler.onblur = function(e){checkLength(e, 3);};    inputListener.addEventListener("blur", function(e){checkLength(e, 5);}, false);

Answer 1

尝试这个：

function checkLength(minLegth){

    if (inputHandler.blur) {

      if (inputHandler.value.length < minLegth){

        message.textContent = "tiene que tener al menos " + minLegth + " caracteres";

        inputHandler.style.borderColor = "red";

      }

      else{

      message.textContent = "";

      inputHandler.style.borderColor = "green";

      }

    }

    if (inputListener.blur) {

      if (inputListener.value.length < minLegth){

        message.textContent = "tiene que tener al menos " + minLegth + " caracteres";

        inputListener.style.borderColor = "red";

      }

      else{

        message.textContent = "";

        inputListener.style.borderColor = "green";

      }

    }

    else{}

    }