DCDaniel Coboindanielcobo.com·May 17, 2021 · 3 min readBulletproof type checks in JavaScriptUsing typeof To check what type is a variable you would most likely use the typeof function. You can even skip the parenthesis (typeof someVariable is same as typeof(someVariable)). typeof works great for: strings numbers (not if checking integer vs...00
DCDaniel Coboindanielcobo.com·May 10, 2021 · 2 min readGet the first and last moment of a day in JavascriptHere are 2 ready-to-use functions to get the first and last millisecond of a day using a few lines of vanilla JavaScript. Get the first moment of a day /** * Get first millisecond of a date * @param {Date} dateObj - JS Date object, default is curre...00
DCDaniel Coboindanielcobo.com·May 3, 2021 · 3 min readCheck if the user is from EU with JavaScriptObviously your best guess is to ask the user. That being said, we generally want to avoid interrupting the user. Websites and apps are (or at least should be) about what the user's needs not ours. That being said, given the many legislation requirem...00
DCDaniel Coboindanielcobo.com·Apr 26, 2021 · 1 min readGet user's preferred languages with JavaScriptSkip to solution If you have different language settings in your website or application wouldn't it be great if you could automatically set the language the user prefers? Doing so may be easer than you think. All you have to do is use navigator.langu...00
DCDaniel Coboindanielcobo.com·Apr 19, 2021 · 4 min readGet location by IP with JavaScriptSkip to solution. Problem Knowing your customer location can help you tailor their experience. Other times you may want to check for this information to compile statistics or comply with regulations. What's the best way to get location data? One way...00
