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added throwing error from angular digest cycle

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`@@ -77,6 +77,8 @@ digest duration for several selectors and print sorted table starting with the s`
`77`	`77`	`* [ng-count-digest-cycles.js](ng-count-digest-cycles.js) - counts number of full digest cycles (from the root scope)`
`78`	`78`	`that run when a scope method executes. Useful because sometimes you can get away with just a local digest`
`79`	`79`	`cycle, rather than a full update. See [Local Angular scopes](http://glebbahmutov.com/blog/local-angular-scopes/).`
	`80`	`+* [ng-throw-error.js](ng-throw-error.js) throws an error from the digest cycle; useful for checking`
	`81`	`+if your [exception handler](http://glebbahmutov.com/blog/catch-all-errors-in-angular-app/) is working.`
`80`	`82`
`81`	`83`	`All snippets, including mine are distributed under MIT license.`
`82`	`84`

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`@@ -0,0 +1,19 @@`
	`1`	`+// throws an exception from the digest cycle`
	`2`	`+// useful to test your exception handler service`
	`3`	`+// http://glebbahmutov.com/blog/catch-all-errors-in-angular-app/`
	`4`	`+(function throwErrorFromAngular(angular) {`
	`5`	`+`
	`6`	`+ if (typeof angular === 'undefined') {`
	`7`	`+ throw new Error('Cannot find angular on the page');`
	`8`	`+ }`
	`9`	`+ // select any element in the Elements panel that is inside Angular app`
	`10`	`+ /* global 0ドル */`
	`11`	`+ var injector = angular.element(0ドル).injector();`
	`12`	`+ if (!injector) {`
	`13`	`+ throw new Error('Cannot find injector, please select an element\n' +`
	`14`	`+ 'INSIDE an angular app in the Elements panel');`
	`15`	`+ }`
	`16`	`+ injector.get('$rootScope').$apply(function () {`
	`17`	`+ throw new Error('Error from Angular digest cycle');`
	`18`	`+ });`
	`19`	`+}(window.angular));`

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