javascript – Vue.js img src concatenate variable and text-ThrowExceptions

Exception or error: I want to concatenate Vue.js variable with image URL. What I computed: imgPreUrl : function() { if (androidBuild) return “android_asset/www/”; else return “”; } If I build for android: <img src=”/android_asset/www/img/logo.png”> Else <img src=”img/logo.png”> How can I concatenate the computed variable with the URL? I tried it: <img src=”{{imgPreUrl}}img/logo.png”> How to solve: …

javascript – use $http inside custom provider in app config, angular.js-ThrowExceptions

Exception or error: The main question – is it possible? I tried with no luck.. main app.js … var app = angular.module(‘myApp’, [‘services’]); app.config([‘customProvider’, function (customProvider) { }]); … provider itself var services = angular.module(‘services’, []); services.provider(‘custom’, function ($http) { }); And I’ve got such error: Uncaught Error: Unknown provider: $http from services Any ideas? …

javascript: Clear all timeouts?-ThrowExceptions

Exception or error: Is there a way to clear all time outs from a given window? I suppose the timeouts are stored somewhere in the window object but couldn’t confirm that. Any cross browser solution is welcome. How to solve: They are not in the window object, but they have ids, which (afaik) are consecutive …

jquery – Javascript how to split newline-ThrowExceptions

Exception or error: I’m using jquery, and I have a textarea. When I submit by my button I will alert each text separated by newline. How to split my text when there is a newline? var ks = $(‘#keywords’).val().split(“\n”); (function($){ $(document).ready(function(){ $(‘#data’).submit(function(e){ e.preventDefault(); alert(ks[0]); $.each(ks, function(k){ alert(k); }); }); }); })(jQuery); example input : Hello …

JavaScript style for optional callbacks-ThrowExceptions

Exception or error: I have some functions which occasionally (not always) will receive a callback and run it. Is checking if the callback is defined/function a good style or is there a better way? Example: function save (callback){ …..do stuff…… if(typeof callback !== ‘undefined’){ callback(); }; }; How to solve: I personally prefer typeof callback …