添加错误红色边框 [英] add in error red border

问题描述

我想知道如何添加红色边框



js

im wondering how am i going to add in the red border

js

var fullname_msg = 'Please enter your name here!';
$("#fullname").keyup(function(){
    ("#fullname",fullname_msg)
});

html

html

<input class="inputText" type="text" id="fullname" name="fullname" value="" placeholder="NAME" />

CSS

CSS

.error {
	border:2px solid #ef716d !important;
}

i试过 js

--- -------------------------------------

i tried js
----------------------------------------

var fullname_msg = 'Please enter your name here!';
$("#fullname").keyup(function(){
    ("#fullname",fullname_msg)
    });
$("#fullname").css('border-color', 'red');

-------------------------- ----

------------------------------

var fullname_msg = 'Please enter your name here!';
$("#fullname").keyup(function(){
    ("#fullname",fullname_msg)
    });
$("#fullname").addClass('error');

这些都不起作用我不知道为什么？

all these are not working i not sure why?

推荐答案

（ ＃fullname ）.keyup（ function （）{
（ #fullname，fullname_msg）
}）;

("#fullname").keyup(function(){ ("#fullname",fullname_msg) });

html

html

<input class="inputText" type="text" id="fullname" name="fullname" value="" placeholder="NAME" />

CSS

CSS

.error {
	border:2px solid #ef716d !important;
}

i试过 js

--- -------------------------------------

i tried js
----------------------------------------

var fullname_msg = 'Please enter your name here!';

（ ＃fullname）。keyup（ function （）{
（ ＃fullname，fullname_msg）
}）;

("#fullname").keyup(function(){ ("#fullname",fullname_msg) });

（ ＃fullname）。css（' border-color'，' red'）;

("#fullname").css('border-color', 'red');

------------------------------

------------------------------

var fullname_msg = 'Please enter your name here!';

这篇关于添加错误红色边框的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！