closes #483 A major refactoring of the intro chapters includes text revision and the addition of "module" as an 8th "basic building block". Incorporates John Papa feedback.
		
			
				
	
	
		
			11 lines
		
	
	
		
			149 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			11 lines
		
	
	
		
			149 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
export class Hero {
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  id:number
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  constructor(
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    public name:string,
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    public power?:string){
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      this.id = nextId++;
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    }
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}
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var nextId = 1;
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