angular - Delay for router in Angular2 -


i have code, have 2 functions: say() play music (is implemented , works) , router leads next page (it works also) 

go_next() {      this.say(); // audio      this.router.navigate( ['app'], { queryparams: { 'part': this.part+1 } } ); //go next page  }

but play music (it takes 5 sec) , go next page...how implement this?..i guess, have implement kind of delay, can't find such parameter router.navigate.

settimeout(function, milliseconds) executes function, after waiting specified number of milliseconds.

go_next(){     settimeout(() => {         this.router.navigate(['app'], {queryparams: {'part': this.part + 1}})       }       , 5000); }

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