课程: JavaScript Essential Training
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Looping through content
- [Instructor] JavaScript gives us several different statements and methods for repeating a process over and over or looping through arrays and nested objects. Common to all of them is we first specify under what conditions the loop or iteration should run in the statement declaration. And then we specify what should happen at each iteration in the body of the statement. Let's look at some of the most common and useful iteration statements for arrays and objects. In the exercise files for this movie I've set up an array called stuff that has some items in it and a nested object called nested objects. That is an object with a bunch of nested objects inside it named item one, two, three, and so on. Now I want to loop through each of them and display that in the browser over on the right hand side, scrolling down, all we're doing is grabbing the article in the page then creating a URL and then using different loops to…
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The real-world function2 分钟 49 秒
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Functions and methods6 分钟 23 秒
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A standard function3 分钟 53 秒
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The arrow function4 分钟 49 秒
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Arrow functions and "this"4 分钟 20 秒
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Practice: Build a function1 分钟 31 秒
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Pass data to a function with parameters4 分钟 56 秒
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Return values from a function7 分钟 1 秒
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Practice: Pass values between functions2 分钟 33 秒
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Callbacks5 分钟 29 秒
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Conditional if...else statement5 分钟 52 秒
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Logical operators3 分钟 31 秒
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Conditional switch statement5 分钟 55 秒
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Looping through content5 分钟 19 秒
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Using the map() array method4 分钟 52 秒
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Challenge intro: Create a content factory2 分钟 36 秒
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Solution: Create a content factory5 分钟 21 秒
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