click can only be clicked once

<select id="s_province" name="s_province" class="s_province"></select>

$(function(){

//方法一
  $("[name='s_province']").one("click",function() {
  
  });

//方法二
  $(".s_province").click(function() {
    if($(this).hasClass("s_province")){
      console.log("++++++++++++")
      $(this).removeClass("s_province");
    }
  });

})

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