判断复选框至少选中一项

JS

window.onload = function(){
	var _checkSelects = document.getElementsByName("checkSelects");
	for(var i in _checkSelects){
		if(_checkSelects[i].checked){
			console.log("至少选中了一项");
			return;
		};
	}
	console.log("没有选中");
};