vm.$once( event, callback ) Arguments: {String} event {Function} callback Usage: Listen for a custom event, but only once. The listener will be removed once it triggers for the first time.

beforeDestroy Type: Function Details: Called right before a Vue instance is destroyed. At this stage the instance is still fully functional. See also: Lifecycle Diagram

vm.$options Type: Object Read only Details: The instantiation options used for the current Vue instance. This is useful when you want to include custom properties in the options: new Vue({ customOption: 'foo', created: function () { console.log(this.$options.customOption) // -> 'foo' } })

directives Type: Object Details: A hash of directives to be made available to the Vue instance. See also: Custom Directives Assets Naming Convention

currency Arguments: {String} [symbol] - default: '$' 1.0.22+ {Number} [decimal places] - default: 2 Example: {{ amount | currency }} 12345 => $12,345.00 Use a different symbol: {{ amount | currency '£' }} 12345 => £12,345.00 Some currencies have 3 or 4 decimal places, while some others have none, for example Japanese Yen (¥) or Vietnamese Dong (₫): {{ amount | currency '₫' 0 }} 12345 => ₫12,345

vm.$els Type: Object Read only Details: An object that holds DOM elements that have v-el registered. See also: v-el.

In-template expressions are very convenient, but they are really meant for simple operations only. Templates are meant to describe the structure of your view. Putting too much logic into your templates can make them bloated and hard to maintain. This is why Vue.js limits binding expressions to one expression only. For any logic that requires more than one expression, you should use a computed property. Basic Example <div id="example"> a={{ a }}, b={{ b }} </div> var vm = new Vue(

detached Type: Function Details: Called when vm.$el is removed from the DOM by a directive or a VM instance method. Direct manipulation of vm.$el will not trigger this hook.

Compatibility Note Vue.js does not support IE8 and below, because Vue.js uses ECMAScript 5 features that are un-shimmable in IE8. However Vue.js supports all ECMAScript 5 compliant browsers. Release Notes Detailed release notes for each version are available on GitHub. Standalone Simply download and include with a script tag. Vue will be registered as a global variable. Pro tip: don’t use the minified version during development. you will miss out all the nice warnings for common mistakes. D

unsafeDelimiters Type: Array<String> Default: ["{{{", "}}}"] Usage: // make it look more dangerous Vue.config.unsafeDelimiters = ['{!!', '!!}'] Change the raw HTML interpolation delimiters.