javascript - AngularJS module: this versus $scope -

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इस सवाल का पहले से ही एक उत्तर है: < / P>

  • 6 उत्तर

मैं AngularJS के लिए नया हूँ । मैं यह जानना चाहूंगा कि अंतर निम्न दो कोड स्निपेट्स के बीच क्या है:

I कोड जो कि इसका उपयोग करते हुए नियंत्रक को परिभाषित करता है: 

  var ऐप = कोणीय। मॉड्यूल ('ग्रीटिंग', []); App.controller ('HelloCtrl', फ़ंक्शन () {this.name = 'हैलो वर्ल्ड';});

द्वितीय कोड जो कि $ दायरे का उपयोग कर एक नियंत्रक को परिभाषित करता है: 

  var ऐप = कोणीय। मॉड्यूल ('ग्रीटिंग', []); App.controller ('HelloCtrl', फ़ंक्शन ($ दायरा) {$ scope.name = 'हैलो वर्ल्ड';});

धन्यवाद।

दो कार्यान्वयन अलग तरीके से उपयोग किए जाते हैं राय। यह वाक्यविन्यास नियंत्रक के रूप में वाक्यविन्यास के साथ प्रयोग किया जाता है, जो अनिवार्य रूप से आपके नियंत्रक को आपके दृश्य मॉडल बनाता है

उदाहरण के तौर पर नियंत्रक

नियंत्रक में 

  this.text = "नियंत्रक के रूप में उदाहरण "

दृश्य 

  
 ng-controller =" myCtrl नियंत्रक दृश्यमॉडल के रूप में "& gt; {{ControllerViewModel.text}} & lt; / div & gt;

स्कोप समतुल्य

नियंत्रक 

  $ scope.text में = "स्कोप का उदाहरण"; 

  & lt; div ng-controller = "myCtrl" & gt; {{text}} & lt; / div & gt;  
 
 >

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