难以理解$ watch。我用一个计时器来增加一个值 - 试图在五秒后提示用户,如果他们想继续。如果他们选择“取消”,则计时器停止计数。
小提琴是在这里:http://jsfiddle.net/nicktest222/VuuEK/4/
// Increment with $timeout
$scope.counter = 0;
$scope.onTimeout = function() {
$scope.counter++;
mytimeout = $timeout($scope.onTimeout, 1000);
};
var mytimeout = $timeout($scope.onTimeout, 1000);
// Watch
$scope.$watch($scope.counter, checkTime);
function checkTime() {
console.log($scope.counter);
if ($scope.counter === 5) {
var check = confirm('Do you want to continue?');
if (check === false) {
$scope.stop();
}
}
}
的检查时间功能触发一次在页面加载,我希望它会激发每个增量为$ scope.counter变量改变每一秒。
haaaa!太好了,谢谢! – Nick