How to use router navigateByUrl and router navigate in Angular

Question

https   angular io api router RouterLink gives a good overview of how to create links that will take the user to a different route in Angular4  however I can t find how to do the same thing programmatically rather needing the user to click a link

User · Answer

router navigate vs router navigateByUrl router navigate is just a convenience method that wraps router navigateByUrl  it boils down to  navigate commands  any    extras        return router navigateByUrl router createUrlTree commands  extras   extras      As mentioned in other answers router navigateByUrl will only accept absolute URLs     This will work router navigateByUrl  quot http   localhost team 33 user 11 quot      This WON T work even though relativeTo parameter is in the signature router navigateByUrl  quot    22 quot    relativeTo  route    All the relative calculations are done by router createUrlTree and router navigate   Array syntax is used to treat every array element as a URL modifying  quot command quot   E g   quot    quot  - go up   quot path quot  - go down   expand  true  - add query param  etc   You can use it like this     create  team 33 user 11 router navigate    team   33   user   11        assuming the current url is   team 33 user 11  and the route points to  user 11      navigate to  team 33 user 11 details router navigate   details     relativeTo  route        navigate to  team 33 user 22 router navigate      22     relativeTo  route        navigate to  team 44 user 22 router navigate         team 44 user 22     relativeTo  route     That  relativeTo  route  parameter is important as that s what router will use as the root for relative operations  Get it through your component s constructor       In my-awesome component ts     constructor private route  ActivatedRoute  private router  Router             Example call   onNavigateClick            Navigates to a parent component     this router navigate         relativeTo  this route         routerLink directive Nicest thing about this directive is that it will retrieve the ActivatedRoute for you  Under the hood it s using already familiar  router navigateByUrl router createUrlTree commands    relativeTo  route       relativeTo  route      Following variants will produce identical result   routerLink   quot           quot      if the string parameter is passed it will be wrapped into an array routerLink  quot       quot

User · Answer

In addition to the provided answer  there are more details to navigate  From the function s comments          Navigate based on the provided array of commands and a starting point     If no starting route is provided  the navigation is absolute        Returns a promise that     - resolves to  true  when navigation succeeds     - resolves to  false  when navigation fails     - is rejected when an error happens            Usage              router navigate   team   33   user   11    relativeTo  route             Navigate without updating the URL    router navigate   team   33   user   11    relativeTo  route  skipLocationChange  true                 In opposite to  navigateByUrl    navigate  always takes a delta that is applied to the current    URL        The Router Guide has more details on programmatic navigation

User · Answer

navigateByUrl  routerLink directive as used like this    lt a  routerLink    inbox 33 messages 44  gt Open Message 44 lt  a gt    is just a wrapper around imperative navigation using router and its navigateByUrl method   router navigateByUrl   inbox 33 messages 44     as can be seen from the sources   export class RouterLink             HostListener  click     onClick    boolean               this router navigateByUrl this urlTree  extras       return true        So wherever you need to navigate a user to another route  just inject the router and use navigateByUrl method   class MyComponent      constructor router  Router          this router navigateByUrl                navigate  There s another method on the router that you can use - navigate   router navigate    inbox 33 messages 44      difference between the two     Using router navigateByUrl is similar to changing the location bar   directly   we are providing the    whole    new URL  Whereas   router navigate creates a new URL by applying an array of passed-in   commands  a patch  to the current URL       To see the difference clearly  imagine that the current URL is     inbox 11 messages 22 popup compose          With this URL  calling   router navigateByUrl   inbox 33 messages 44   will result in     inbox 33 messages 44   But calling it with   router navigate    inbox 33 messages 44    will result in     inbox 33 messages 44 popup compose      Read more in the official docs

User · Answer

From my understanding  router navigate is used to navigate relatively to current path   For eg    If our current path is abc com user  we want to navigate to the url   abc com user 10 for this scenario we can use router navigate      router navigateByUrl   is used for absolute path navigation   ie   If we need to navigate to entirely different route in that case we can use  router navigateByUrl  For example if we need to navigate from abc com user to abc com assets  in this case we can use router navigateByUrl      Syntax     router navigateByUrl   ---- String ----     router navigate      relativeTo  route

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