From the course: Mastering Web Developer Interview Code
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How do you search using functional programming?
From the course: Mastering Web Developer Interview Code
How do you search using functional programming?
- [Instructor] Now searching through a series of elements can be accomplished in different ways. In the last few episodes, I have been showing you how you can work with higher order functions to perform actions on the items without modifying array. Now, this is actually a style of programming called functional programming. And one of the other functions that we can use to work with this is called the filter functions. Let's take a look at how that work, because it lets us solve a pretty common task. So I'm assuming you have some data that looks like this and we want to filter through this data and retrieve only the records that match a certain element. Now, that type of manipulation is called exclusion because we're removing elements that we want to filter out of a list. So let's take a look at how we might do that with traditional four loops. Here's what we would probably do. We would create a variable to hold the thing…
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How do you use the data- attribute in HTML?11m 14s
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Are you comfortable using jQuery?11m 32s
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Describe when you should use the bind() method5m 21s
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Do you know how to use the conditional operator?3m 43s
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Have you used Ajax to load an external file?8m 25s
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Have you used JavaScript templates?7m 3s
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How do you manipulate the DOM?11m 7s
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How do you search using functional programming?6m 27s
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How do you use a constructor to create instances?10m 33s
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How do you use arrow functions in ES6?6m 30s
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How do you use the Fetch API?7m 22s
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How do you render JSON to a DOM element?9m 36s
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How does an IIFE work?7m 12s
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How does immutability work in JavaScript?4m 12s
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How would you use JavaScript reduce()?3m 54s
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Quick concepts: Do you have experience linting your code?2m 31s
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What are event bubbling and propagation about?11m 42s
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What does "use strict" do?3m 28s
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What is a callback and how do you use it?8m 51s
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What is the relationship between promises and callbacks?9m 57s
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What is the virtual DOM?7m 7s
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What is variable hoisting and how do you guard against it?8m 43s
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What tooling options have you used in the past?7m 11s
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When would you use recursion?6m 25s
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Can you build a Sass mixin?7m 57s
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Do you know how to use CSS variables?10m 38s
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Animate an underline on hover in CSS9m 48s
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Explain the difference between absolute and relative positioning7m 55s
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How comfortable are you with Sass?12m 10s
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How do you animate CSS?9m 41s
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How do you debug CSS using your browser?10m 47s
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How do you use calc() in CSS?9m 56s
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How would you use flexbox to control horizontal alignment?7m 21s
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In CSS, what's the difference between ems and rems?9m 58s
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What's the difference between a pseudo-class and a pseudo-element?6m 16s
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Do you know how to use npm?8m 40s
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Do you have experience using version control?16m 37s
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How does routing work in a modern web application?9m 30s
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