When I am opening my application in IE, Mac Safari the login page is not open and I am getting error in console : SCRIPT5009: '_' is undefined SCRIPT1006: Expected ')'
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Possible duplicate of [Angular 2 / 4 / 5 not working in IE11](https://stackoverflow.com/questions/35140718/angular-2-4-5-not-working-in-ie11) – Shabbir Dhangot Oct 12 '18 at 07:07
2 Answers
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search polyfill.ts file in our project and uncomment the polyfills
Are you using lodash/underscore package in your project? If yes then you need to install it
Vivek Kumar
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Please don't forget to install classlist.js `npm install --save classlist.js`, if you uncommented that also. You may need this later in your project as you progress – Vivek Kumar Oct 12 '18 at 07:02
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Currently this line "import 'classlist.js'" is commented in my ts file do I need to open or Uncomment this ? – Shailendra Tiwari Oct 12 '18 at 07:08
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@ShailendraTiwari `'_' is undefined` generally means that you are using lodash or underscore lib – Vivek Kumar Oct 12 '18 at 07:25
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In polyfill.ts you need to uncomment below code.
/** IE9, IE10 and IE11 requires all of the following polyfills. **/
import 'core-js/es6/symbol';
import 'core-js/es6/object';
import 'core-js/es6/function';
import 'core-js/es6/parse-int';
import 'core-js/es6/parse-float';
import 'core-js/es6/number';
import 'core-js/es6/math';
import 'core-js/es6/string';
import 'core-js/es6/date';
import 'core-js/es6/array';
import 'core-js/es6/regexp';
import 'core-js/es6/map';
import 'core-js/es6/weak-map';
import 'core-js/es6/set';
Karan Patel
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I applied all those options those you all mentioned in comment but not works for me. – Shailendra Tiwari Oct 17 '18 at 10:23