Tag: Interview
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Video – Angular Interview : is Angular Service Singleton ?
One of the most popular Angular interview questions is, whether a service is singleton? By default, when you create a service using the below CLI command, ng g s app AppService is singleton, however it can be re-provided to create more objects of it. Say, you again re provide AppService in one of the components, […]
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Always Use the for…of loop to iterate in JavaScript
In JavaScript to iterate over the values of an array, map, object, etc. use the for…of loop. In a specified order, it iterates over the set of values of an iterable object such that array. It would be best if you use a for…of loop for looping. You must have used the for…in loop to […]
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Video- How to use JavaScript array find method
This video explains How to use JavaScript array find method
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Video – JSON.stringify() in JavaScript
This video explain in detail about JSON.stringify in JavaScript.
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Video – How to create constant or a read-only property in JavaScript
This video explains to create a constant or a read-only property in JavaScript.
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Video – Step by Step using TypeScript in a Node.js Application
This video explains steps to use TypeScript in a Node.js application. You can read step by step article on the same here – here Download source code from here To start with create a folder and run npm init command inside the folder. After that install these dependencies, npm install -D typescript npm install -D […]
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Video- Why You need the apply() and the call() methods in JavaScript
To pass value of ‘this’ object in a function apply and the call methods are used. The apply() and the call() methods are used to call a function indirectly. When you call a function using the apply() and the call() methods, that is called Indirect Invocation Pattern . The first parameter is always the […]
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Video – Various ways of creating a function in JavaScript
This video teaches you the various ways of creating a function in JavaScript. There are four ways a function can be created in JavaScript. They are as follows: 1. A function as a Statement 2. A function as an Expression 3. A function as an Arrow function 4. A function using Function constructor […]
Dhananjay Kumar 