// eslint-disable-next-line react-hooks/exhaustive-deps
Here is what the above code is Doing:
1. We’re using the useEffect hook to run a function when the component mounts.
2. We’re using the useState hook to set the initial state of the component.
3. We’re using the useState hook to set the state of the component when the user clicks the button.
4. We’re using the useEffect hook to run a function when the state of the component changes.
let arr1 = [1, 2, 3, 4, 5] let arr2 = [1, 2, 3, 4 ,5] // first to the last arr1.push(arr1.shift()) // [2, 3, 4, 5, 1] // last to the first arr2.unshift(arr2.pop()) // [5, 1, 2, 3, 4] Here is what the above code is Doing: 1. arr1.shift() removes the first element of…
npm install –legacy-peer-deps Here is what the above code is Doing: 1. Install the dependencies of the package. 2. Install the dependencies of the package’s dependencies. 3. Install the dependencies of the package’s dependencies’ dependencies. 4. And so on.
document.title = “My New Page Title”; //change/set page title in JavaScript Here is what the above code is Doing: 1. We’re creating a variable called “title” and setting it equal to the document.title property. 2. We’re then changing the value of the document.title property to “My New Page Title”. 3. We’re then changing the value…
//1px = 100vw / viewport’s width (in px) function convertPXToVW(px) { return px * (100 / document.documentElement.clientWidth); } Here is what the above code is Doing: 1. We’re creating a function called convertPXToVW. 2. We’re passing in a parameter called px. 3. We’re returning the value of px * (100 / document.documentElement.clientWidth). 4. We’re calling…
var x = 5; // assign the value 5 to x Here is what the above code is Doing: 1. We create a variable called x and assign it the value of 5. 2. We create a variable called y and assign it the value of 10. 3. We create a variable called z and…
cat names.json | jq ‘.’ | less Here is what the above code is Doing: 1. We’re using the cat command to read the contents of the names.json file. 2. We’re piping the output of the cat command to the jq command. 3. We’re using the jq command to pretty print the JSON data. 4….