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React.JS Quiz Answer: Higher Order Components (HOCs) are the coined term for a custom Component that accepts dynamically provided children. For example, let’s make <LazyLoad /> Component that takes child image tags as children, waits…
Answer Although typeof bar === “object” is a reliable way of checking if bar is an object, the surprising gotcha in JavaScript is that null is also considered an object! Therefore, the following code will,…
开发者普遍使用的是传统的编辑器。目前有很多文本编辑器可以选择。我们曾经在 《2016年最受欢迎的文本编辑器》一文中介绍过六种最受开发者欢迎的文本编辑器。然而，对于要经常外出的开发者来说，他们很多时候要在途中处理工作。因此，使用这些传统的编辑器就会不方便了，尤其是在使用JavaScript的时候。
September, 29 2016: PHP Answer: The correct answer is 18. Here’s why: PHP supports automatic type conversion based on the context in which a variable or value is being used. If you perform an arithmetic…
Quando estamos utilizando o jQuery no JavaScript, muitas vezes queremos tomar uma ação baseada no estado de um elemento. Um dos estados bastante utilizados é o de se o elemento está visível ou não. Um…
Como fazer para recuperar, no JavaScript, o valor de uma opção numa dropdown list? Antes de qualquer coisa, devemos nos lembrar de que podemos obter diferentes informações dessa opção dentro do JavaScript. Vamos então, analisar…
For week W34-2016 JavaScript Project the broadcaster, CodeHatcher, is working on BabyNoggin. Let’s learn more about it. CodeHatcher is a regular broadcaster on Livecoding.tv. He is from San Francisco, USA. He has more than 5…
When we are using jQuery in JavaScript, often we want to take an action based on the state of an element. One that is widely used is if the state of the element is…
How to recover in JavaScript, the value of an option in a dropdown list? Before anything else, we must remember that we can retrieve different information from that option. Let´s take a look at…
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