typescript - angular 2 custom directive OnInit -

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i'm getting starting on angular 2 , i'm encountering following problem.

below simple custom directive supposed color font green. in ngoninit, can't access string "defaultcolor", console.log returns "undefined".

any clue why?

cheers!

import {directive, elementref, oninit} 'angular2/core';  @directive({     selector: '[myhighlight]' })  export class highlightdirective implements oninit{     private elref:elementref;     private defaultcolor: 'green';      constructor(elref:elementref){         this.elref = elref;     }      ngoninit():any {         this.elref.nativeelement.style.color = this.defaultcolor;         console.log(this.defaultcolor)     }  }

the syntax wrong.

private defaultcolor:string = 'green';

the value assigned using = not :. : define type field.


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