Frameworks are great for making applications easily. Also, there are already many smart designs that exist. But the problem is it’s not flexible, and one can not customize it according to their needs. If one wants to use a small portion, they have to use the whole thing.
This article will discuss the top 10 questions that every js developer needs to know to excel in any interview.
Any number is truthy other than 0. Any string is truthy other than an empty string. A white space inside a string, 0 inside a string are examples of truthy values. Undefined, null, NaN is falsy values. Empty array and objects are truthy.
If we declare a variable but don’t put any values, then it's undefined. If we call a function, but that function does not return anything, write return keyword but don’t tell explicitly what to return, if we…
First, let’s look at this block of code:
Here, we may think that variable value exists inside the if loop. Wrong! After running this code this code looks like this:
The declaration of value has been hoisted in the top. Which means the variable value is still accessible within else loop. But this is not what we wanted. to solve this problem ES6 has came up with ‘let’ and ‘const’.
This method returns the character in a specific index of a string. To use this method, we have to provide an input string as well as an index number. Then we can found the character at that specific index.
This method concentrates two strings and returns a single new string. Here, we have two different strings, string1 and string2. After using the…
Web development is the building and maintenance of websites; it’s the work that happens behind the scenes to make a website look great, work fast and perform well with a seamless user experience. It is becoming one of the most attractive and best-paid career choices in the modern world and one does not need a traditional university degree to be successful in this field.
The field of web development is generally broken down into 3 parts.
A front-end developer is someone who takes a client or design team’s website design and writes the code needed to implement…
To be or not to be that is the question.