$('.goods_tag_ids_all')[0].checked = true;//~~~~~ 单条改变checkbox 属性样式

Posted 2020-10-12 盘思动

//点击左边全选选中时,都全选
$(‘.goods_tag_ids_all‘).on(‘click‘,function(){
    if($(‘.goods_tag_ids_all‘).is(‘:checked‘)){
        var elements = $(‘.goods_tag_ids‘);
        for(var i=0; i<elements.length; i++){
            if(elements[i].type == ‘checkbox‘){
                if(elements[i].checked==false){
                    elements[i].checked=true;
                }
            }
        }
    }
});

//右边都全选了,左边的要都选中
$(‘.goods_tag_ids‘).on(‘click‘,function(){
    var elements = $(‘.goods_tag_ids‘);
    var flag = 1;
    for(var i=0;i<elements.length;i++){
        if(elements[i].checked == false){
            flag = 0;
            continue;
        }
    }
    if(flag == 1){
        $(‘.goods_tag_ids_all‘)[0].checked = true;//~~~~~
    }else{
        $(‘.goods_tag_ids_all‘)[0].checked = false;//~~~~~
    }
});