1
<div class='container'></div>
<script>
// Define models. View is a div with a counter.
Tasks = Backbone.Collection.extend({localStorage: new Store("tasks")})
Tasks = new Tasks
Tasks.bind('add', function (task_model) {
task_model.bind('change', function(){ render(this) })
$('.container').append(render(task_model))
})
function render(model) {
console.log('rendering, daily_times: ', model.get('daily_times'))
var div = '<div class="current task_time" task_id="%id">%time</div>'
var time_str = model.get('daily_times')['Jun 28 2011']
div = div.replace('%id', model.id).replace('%time', time_str)
$('div[task_id="%id"]'.replace('%id', model.id)).replaceWith(div)
return div
}
// Start pinging
setInterval(ping, 1000)
Tasks.create({daily_times:{'Jun 28 2011':0}})
function ping() {
console.log('ping')
Tasks.each(function(task) {
var times = task.get('daily_times')
times['Jun 28 2011'] += 1
task.set({daily_times:times})
console.log('incremented, time: ', task.get('daily_times')['Jun 28 2011'])
})
}
</script>
为什么在我设置daily_times
的ping
时没有更改事件触发?Backbone.js - 更改事件未触发
只是样式注释,但您应该以不同的方式命名您的集合扩展任务对象和您的实际任务集合对象。像这样重用变量对可读性不好 - 我会调用第一个TaskCollection和第二个Task。 –