javascript - firebase: pass data from provider to page -


i have provider courses-data.ts , have functions called getcourse(department:id:any). data firebase , want pass coursesa array in courses-page.ts , don't know how that. that's photo enter image description here

i want pass left side (courses-data.ts) right side(courses-page.ts). guess wrong code.

that's firebase structure enter image description here

i'm trying pass child of each courses(java , math) array.


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