Escaping double double quotes in html attributes in Javascript
If it is HTML, you can use HTML entities to escape characters that might be interpreted otherwise. For example, " will be displayed as " in HTML attributes:
var content = '<input type="text" ng-model="test1" />';Proof of concept: http://jsfiddle.net/teddyrised/5X5Ye/
Refer to W3C's HTML entities chart for more information: http://dev.w3.org/html5/html-author/charref