html - Angularjs: How to Call canvas id in ng-data-repeat in my Controller? -


i want make multiple canvas; id of canvas "signaturecanvas + index" in html controller output null. why console.log(canvas); null? put id html? pls me guys!.

<div data-ng-repeat="signaturepadpreparedby in signaturepadobjectpreparedby track $index">   <ion-item>     <div class="spacer" style="height:25px;width:100%"></div>     <div id="signaturecanvasdiv" class="row responsive-sm">       <div class="col row responsive-sm sgn" id="canvas_container">         <canvas id="{{'signaturecanvas'+$index}}"></canvas>       </div>     </div>   </ion-item>   <div ng-init="getclass($index)"></div> </div>

here controller

$scope.getclass = function (i) {   console.log("output");   var canvas = document.getelementbyid('signaturecanvas' + i);   console.log(canvas);   signaturepad[i] = new signaturepad(canvas) };

ouput : null

canvas null;


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