找出所有图像是否有课程

Question

HTML:

<div class="regform"><input id="username" type="text" name="username" placeholder="Username" required><h3 class="check"><img src=''/></h3></div>
<div class="regform"><input id="password" type="password" name="password" placeholder="Password" required><h3 class="check"><img src=''/></h3></div>
<div class="regform"><input id="password2" type="password" name="password2" placeholder="Re password" required><h3 class="check"><img src=''/></h3></div>
<div class="regform"><input id="email" type="text" name="email" placeholder="E-mail" required><h3 class="check"><img src=''/></h3></div>

JS:

        $('#send').click(function(){
    var classs = $(".check").find('img');
    if(classs.hasClass("yes")){
        alert("Everything is correct");
    }else{
        alert("Something is wrong");
    }

});

我想检查,如果所有".check"图像都有"是"类.

Answer 1

var dotheyallhavetheclass = $('.check img:not(.yes)').length===0;