* fix: restructure certifications guide articles * fix: added 3 dashes line before prob expl * fix: added 3 dashes line before hints * fix: added 3 dashes line before solutions
39 lines
944 B
Markdown
39 lines
944 B
Markdown
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title: Use the Lifecycle Method componentWillMount
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---
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# Use the Lifecycle Method componentWillMount
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---
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## Problem Explanation
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The challenge is a basic introduction to React's LifeCycle components.
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These methods are also called Lifecycle Hooks.
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---
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## Hints
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### Hint 1
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Log something to the console in the ```react componentWillMount ``` method.
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### Hint 2
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The ``` console.log(); ``` statement is used to log to the browser console.
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---
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## Solutions
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<details><summary>Solution 1 (Click to Show/Hide)</summary>
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Since you can log anything, use the ``` console.log(); ``` and pass in a string. The ``` componentWillMount ``` method should look like:
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```jsx
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componentWillMount() {
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console.log('Component being mounted');
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}
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```
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**Note:** The ``` componentWillMount ``` Lifecycle method has been deprecated as of version 17, and does not work on later versions. [(Source)](https://reactjs.org/docs/react-component.html)
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</details>
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