btn.onclick = function(){
if(value == 0){
value = 1;
btn.value = "点击合并";
for(var i=0;i<arr1.length;i++){
son[i].style.transform = arr1[i];
console.log(son[i])
}
}else if(value == 1){
value = 0;
btn.value = "点击散开";
for(var j=0;j<arr0.length;j++){
son[j].style.transform = arr0[j];
console.log(j);
}
}
};
}
</script>
