var result = '[{"name": "John"}, {"name": "Alice"}, {"name": "Lily"}]'
console.log(JSON.parse(result))
Here is what the above code is Doing:
1. We’re using the JSON.parse() method to convert the JSON string into a JavaScript object.
2. We’re using the JSON.stringify() method to convert the JavaScript object into a JSON string.
function isInViewport(element) { const rect = element.getBoundingClientRect(); return ( rect.top >= 0 && rect.left >= 0 && rect.bottom
date: new FormControl((new Date()).toISOString().substring(0, 10)), Here is what the above code is Doing: 1. We’re creating a new FormGroup object and passing in an object with a key of date and a value of a new FormControl object. 2. The FormControl object is created with a default value of the current date. 3. The date…
onUpdate={window.scrollTo(0, 0)} componentDidMount() { window.scrollTo(0, 0) } Here is what the above code is Doing: 1. We’re importing the withRouter HOC from react-router-dom. 2. We’re wrapping our component with the withRouter HOC. 3. We’re adding a componentDidUpdate lifecycle method to our component. 4. We’re adding a componentDidMount lifecycle method to our component. The componentDidUpdate lifecycle…
const fse = require(‘fs-extra’); const srcDir = `path/to/file`; const destDir = `path/to/destination/directory`; // To copy a folder or file fse.copySync(srcDir, destDir, function (err) { if (err) { ^ console.error(err); |___{ overwrite: true } // add if you want to replace existing folder or file with same name } else { console.log(“success!”); } }); Here is…
Syntex $(selector).load(URL, data, callback); Example: $(‘#loadhere’).load(‘file.html’); Here is what the above code is Doing: 1. It’s selecting the element with the ID of loadhere. 2. It’s loading the contents of file.html into the selected element.
1)Check you placed .before the class Example: document.getElementsByClassName(‘.yourclassname’) //.before class name is wrong the code should be document.getElementsByClassName(‘yourclassname’); 2)Check the spelling for addEventListener ///dont feel embrassed because i always do these mistakes eventhough i used this property it 10000 times Here is what the above code is Doing: 1. We are selecting the element with…