22-service之show hide disable

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<!DOCTYPE html><html><head><meta charset="utf-8"><script src="https://cdn.bootcss.com/angular.js/1.4.6/angular.min.js"></script></head><body><div ng-app="" ng-init="mySwitch=false"><p><button ng-disabled="mySwitch">点我!</button></p><p><input type="checkbox" ng-model="mySwitch"/>按钮</p><p>{{ mySwitch }}</p></div> </body></html><!DOCTYPE html><html><head><meta charset="utf-8"><script src="https://cdn.bootcss.com/angular.js/1.4.6/angular.min.js"></script></head><body><div ng-app="" ng-init="hour=13"><p ng-show="hour > 12">我是可见的。</p></div></body></html><!DOCTYPE html><html><head><meta charset="utf-8"><script src="https://cdn.bootcss.com/angular.js/1.4.6/angular.min.js"></script></head><body><div ng-app=""><p ng-hide="true">我是不可见的。</p><p ng-hide="false">我是可见的。</p></div> </body></html>