ember.js - Ember handlebars-helper renders property-name as string instead of the value -

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मेरे टेम्पलेट में मैं प्रस्तुत करता हूं: & lt; b & gt; {{firstname}} & lt; / b & gt; जो Mads

में हल करता है, तब मैं अपने handlebar- सहायक trimstring : 

  Ember.Handlebars का उपयोग कर रहा हूं। RegisterHelper ('ट्रिम स्ट्रिंग', फ़ंक्शन (पास स्ट्रिंग) {var theString = पास स्ट्रिंग.substring (0,100); नए हैंडलबार वापस लौटें.सैफ़स्ट्रिंग (द स्ट्रिंग)});   की तरह है, लेकिन यह  प्रथम नाम   P> 
 मैं क्या याद कर रहा हूं?

आप स्वरूपण कर रहे हैं पहलेनाम स्ट्रिंग ही, नियंत्रक की संपत्ति नहीं है, इसलिए शायद यह काम करना चाहिए: 

  Ember.Handlebars.registerHelper ('trimstring', फ़ंक्शन (पास स्ट्रिंग) {var theString = this.get (passString) .substring (0,100); नए हैंडलेबर्स लौटें। सुरफ़्रेस्टिंग (द स्ट्रिंग)});

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