我有一个需要禁用的按钮,直到我正确填写了所有表格。我可以做到,但是,当我启用按钮时,当我删除任何表单时,我无法再次禁用它。按钮代码<form method="post"> <button type="submit" id="botaoSignUp" name="botaoSignUp" disabled class="login100-form-btn"> Sign Up </button></form>禁用/启用按钮的代码if((document.getElementById("nameAviso")).textContent=="Ok"&&(document.getElementById("emailAviso")).textContent=="Ok"&&(document.getElementById("passAviso")).textContent=="Ok"&&(document.getElementById("localAviso")).textContent=="Ok"){ document.getElementById("botaoSignUp").disabled = false;}else{ document.getElementById("botaoSignUp").disabled = true;}其他元素<div class="wrap-input100"> <span class="label-input100">Full Name</span> <input class="input100" type="text" name="name" placeholder="Name" onblur="showHint(this.value, 0)"><span id="nameAviso"></span> <span class="focus-input100"></span> </div> <div class="wrap-input100"> <span class="label-input100">Email</span> <input class="input100" type="email" name="email" placeholder="Email addess" onblur="showHint(this.value, 1)"><span id="emailAviso"></span> <span class="focus-input100"></span> </div> <div class="wrap-input100"> <span class="label-input100">Password</span> <input class="input100" type="password" name="pass" placeholder="*************" onblur="showHint(this.value, 2)"><span id="passAviso"></span> <span class="focus-input100"></span> </div>
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