{{action}}助手將按下修改鍵來忽略點擊事件。allowedKeys選項指定不忽略哪些鍵。
<button {{action 'anActionName' allowedKeys="alt"}}></button>
<!DOCTYPE html> <html> <head> <title>Emberjs Modifier Keys</title> <!-- CDN's --> <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/3.0.1/handlebars.min.js"></script> <script src="https://code.jquery.com/jquery-2.1.3.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.10.0/ember.min.js"></script> <script src="https://builds.emberjs.com/tags/v1.10.0-beta.3/ember-template-compiler.js"></script> <script src="https://builds.emberjs.com/release/ember.debug.js"></script> <script src="https://builds.emberjs.com/beta/ember-data.js"></script> </head> <body> <script type="text/x-handlebars"> <!-- triggering the on event when clicking an alt key --> <button {{action 'user' on='click' allowedKeys="alt"}}>Click</button> <br/> {{#if isShown}} {{#each item in model}} <h3>{{item}}</h3> {{/each}} {{/if}} </script> <script type="text/javascript"> HelloEmber = Em.Application.create(); HelloEmber.ApplicationRoute = Em.Route.extend({ model: function(){ //return the Data value return HelloEmber.Data; } }); //assigning the controller HelloEmber.ApplicationController = Em.Controller.extend({ actions: { user: function() { this.set('isShown',!this.isShown); } } }); //creating an array HelloEmber.Data=[]; HelloEmber.Data.push("Welcome to Tutorialspoint"); </script> </body> </html>
讓我們執(zhí)行以下步驟,看看上面的代碼如何工作:
將上面的代碼保存在temp_act_mod_key.html文件中
在瀏覽器中打開此HTML文件。
更多建議: