nodejs aws s3 bucket delete item

ByAnurag batra July 1, 2022June 30, 2022

var params = {  Bucket: 'your bucket', Key: 'your object' };

s3.deleteObject(params, function(err, data) {
  if (err) console.log(err, err.stack);  // error
  else     console.log();                 // deleted
});

Here is what the above code is Doing:
1. Create a new AWS.S3 object.
2. Call the deleteObject method of the AWS.S3 object.
3. Pass the bucket name and object key as parameters to the deleteObject method.
4. Handle any errors or exceptions that occur.
5. Log a message to the console if the object was deleted successfully.

Javascript Examples

syntax of reduce in js

ByAnurag batra July 29, 2022June 30, 2022

[1,2,3,4,5].reduce((acc, current)=>acc+current, 0) Here is what the above code is Doing: 1. The reduce() method takes two arguments: a callback function and an initial value. 2. The callback function takes two arguments: an accumulator and the current value. 3. The accumulator is like a total that reduce() keeps track of after each operation. 4. The…

Javascript Examples

access css property using javascript

ByAnurag batra July 23, 2022June 30, 2022

const element = document.querySelector(‘.element’) const style = getComputedStyle(element) Here is what the above code is Doing: 1. We’re selecting the element with the class of element. 2. We’re getting the computed style of that element. 3. We’re storing that computed style in a variable called style. Now, we can access the computed style of that…

Javascript Examples

alpinejs

ByAnurag batra July 15, 2022June 30, 2022

Open Dropdown Dropdown Body Here is what the above code is Doing: 1. We’re using the @click directive to listen for a click on the button. 2. When the button is clicked, we’re setting the open property to true. 3. We’re using the x-show directive to conditionally show the dropdown. 4. We’re using the @click.away…

Javascript Examples

Sun Editor

ByAnurag batra July 3, 2022June 30, 2022

Here is what the above code is Doing: 1. We are importing the Froala Editor CSS and JS files. 2. We are importing the Froala Editor plugins. 3. We are importing the Froala Editor language files. 4. We are importing the Froala Editor third-party plugins.

Javascript Examples

atob nodejs

ByAnurag batra July 5, 2022June 30, 2022

// If you need to convert to Base64 you could do so using Buffer: console.log(Buffer.from(‘Hello World!’).toString(‘base64’)); // Reverse (assuming the content you’re decoding is a utf8 string): console.log(Buffer.from(b64Encoded, ‘base64′).toString()); Here is what the above code is Doing: 1. We’re creating a Buffer from a string. 2. We’re converting the Buffer to a base64 encoded string….

Javascript Examples

enzyme test method

ByAnurag batra August 4, 2022June 30, 2022

const wrapper = shallow(); wrapper.instance().handleClick() Here is what the above code is Doing: 1. We’re using the shallow function from Enzyme to render our Button component. 2. We’re using the instance function to get the instance of the component. 3. We’re using the handleClick function to simulate a click event.

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