laya.d3.js的这个库, SimpleSingletonList类的add函数改成这样可以先用着
add(element) {
var index = element._getIndexInList();
if (index !== -1)
//throw "SimpleSingletonList:" + element + " has in SingletonList.";
return;
this._add(element);
element._setIndexInList(this.length++);
}
