René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"ng-options with \"track by\" in select box makes all clicked options \"selected\"","articleBody":"**I'm submitting a ...**\r\n\u003c!-- (check one with \"x\") --\u003e\r\n- [ ] regression from 1.7.0\r\n- [ ] security issue\r\n- [ ] issue caused by a new browser version\r\n- [x] other \u003c!--(Please do not submit support requests here - see above)--\u003e\r\n\r\n**Current behavior:**\r\nBy visiting this page [https://code.angularjs.org/1.7.8/docs/api/ng/directive/select](url), section \"Using select with ngOptions and setting a default value\", all of \"Make a choice\" options which are clicked on will have the selected=\"selected\" parameter set:\r\n`\u003cselect name=\"mySelect\" id=\"mySelect\" ng-options=\"option.name for option in data.availableOptions track by option.id\" ng-model=\"data.selectedOption\" class=\"ng-valid ng-not-empty ng-touched ng-dirty ng-valid-parse\"\u003e\u003coption label=\"Option A\" value=\"1\" selected=\"selected\"\u003eOption A\u003c/option\u003e\u003coption label=\"Option B\" value=\"2\" selected=\"selected\"\u003eOption B\u003c/option\u003e\u003coption label=\"Option C\" value=\"3\" selected=\"selected\"\u003eOption C\u003c/option\u003e\u003c/select\u003e`\r\n\r\n**Expected / new behavior:**\r\nInstead of\r\n`\u003coption label=\"Option C\" value=\"3\" selected=\"selected\"\u003eOption C\u003c/option\u003e`\r\ncould be selected only:\r\n`\u003coption label=\"Option C\" value=\"3\" selected\u003eOption C\u003c/option\u003e`\r\n, and only for the current option which is selected, removing the parameter for the other not selected options.\r\n\r\n**Minimal reproduction of the problem with instructions:**\r\nBy visiting this page [https://code.angularjs.org/1.7.8/docs/api/ng/directive/select](url), section \"Using select with ngOptions and setting a default value\" and the default option is \"Option C\". When clicking on other options, to the respective option tags will be added the parameter selected=\"selected\".\r\n\r\n**AngularJS version:**\r\n1.7.8\r\n\r\n**Browser:**\r\nChrome 78.0.3904.97 (64 bit)\r\nFirefox 68.2.0esr (64-bit)\r\n(both running in Debian 9)","author":{"url":"https://github.com/mjmlopes","@type":"Person","name":"mjmlopes"},"datePublished":"2019-11-18T17:37:43.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/16916/angular.js/issues/16916"}