错误:[$sce:itype]试图在需要字符串:Context: html的内容中信任非字符串值，同时显示货币符号

I am trying to display currency symbols using their unicodes in angularjs. I created an array of unicodes, and used ng-repeat for displaying each currency symbol. I also used Strict Contextual Escaping, But i am getting Error: [$sce:itype] Attempted to trust a non-string value in a content requiring a string: Context: htmlI am trying to display currency symbols using t