Web需求是要写一个渲染函数，函数式调用抽屉控件。使用者调用后mounted后立即显示抽屉组件。 问题是： 1、onMounted 用nextTick 则控件本身的动画效果没了，界面还会卡顿和没 … WebAug 16, 2014 · Когда вы вызываете setTimeout(), то на самом деле вызываете window.setTimeout(). В результате, анонимная функция, передаваемая в setTimeout(), определяется в контексте объекта window, который не имеет метода clearBoard().
this - JavaScript MDN - Mozilla Developer
WebOct 5, 2013 · setTimeout: ( time, callback) -> if @forceSync callback () else window. setTimeout callback, time kill: -> @_kill = true revive: -> @_kill = false queueUpdate: ( delay, callback) -> pushCallback = => thisQueue = @updateQueue [delay] ?= [] thisQueue. push callback if @updateQueue pushCallback () else @updateQueue = {} pushCallback () WebIn order to use asynchronous functions setInterval and setTimeout you need to bind the function passed to those methods to the current context (that is: your component itself). … smart cleaner - clean storage
javascript - Settimeout, bind and this - Stack Overflow
WebThe reason that bind is necessary is that, again, the value of this is determined when the function is called. When you pass a function as an argument to setTimeout , you're … WebSep 9, 2016 · Yet another possibility is to use function's bind. Example: setTimeout(function(arg1){}.bind(undefined, 10), 1000); The "this" problem. When you pass a method to setTimeout() (or any other function, for that matter), it will be invoked with a this value that may differ from your expectation. WebAug 17, 2012 · Function.prototype.bind имеет 2 назначения — статическая привязка контекста к функции и частичное применение функции. По сути bind создаёт новую функцию, которая вызывает func в контексте context. smart cleaner ll-788 купить