google-tag-manager - GTM 规则如何运作

Question

如果有 GTM 脚本

"rules":[[["if",0],["add",0]],[["if",1],["add",1]],[["if",0,2],["add",2]],[["if",3],["block",2]],[["if",4],["block",2]],[["if",5],["block",2]]]

数字是什么意思？

标签： google-tag-manager