javascript implements checkbox all in code

Code:

function checkall(checkNames){
  var allBoxs = document.getElementsByName(checkNames);
  for(var i = 0 ;i<allBoxs.length;i++){
    if(allBoxs[i].type == 'checkbox'){
      if(allBoxs[i].checked==false){
        allBoxs[i].checked = true ;
      }else{
        allBoxs[i].checked = false ;
      }
    }
  }
}

Method of Use

<a href="" onclick="checkall('goods')"> Future generations </a>

Note: 'goods' is the name of all checkbox that need to be selected

Usage Method

<a href="" id="checkAll"> Future generations </a>
<script>
document.getElementById('checkAll').onclick = function () {
  checkall('goods')
};
</script>

Note: 'goods' is the name of all checkbox that need to be selected

The above two methods are summarized in this paper, I hope you can like, if there is a better way, please tell friends, this article continues to update.