11 lines
		
	
	
		
			295 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			11 lines
		
	
	
		
			295 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
// #docregion Observable
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import {Observable} from 'angular2/core';
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import {map} from 'rxjs/operator/map';
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var obs = new Observable(obs => {
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  var i = 0;
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  setInterval(_ => obs.next(++i), 1000);
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});
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map.call(obs, i => `${i} seconds elapsed`).subscribe(msg => console.log(msg));
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// #enddocregion
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