update angular 7 to 8 code example
Example 1: how to update angular version
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ng update @angular/cli @angular/core
Example 2: angular 8 to 9
First, update to the latest version of 8
ng update @angular/cli@8 @angular/core@8
Then, update to 9
ng update @angular/cli @angular/core
Example 3: update angular materia;
npm update @angular/material @angular/cdk