window.location.reload();
Here is what the above code is Doing:
1. It’s creating a new variable called “new_url” and setting it equal to the current URL.
2. It’s then adding a new query parameter to the URL called “new_query_param” and setting it equal to “new_query_param_value”.
3. It’s then reloading the page.
componentDidCatch(error, info) { this.reactError = error console.log(info) this.setState({ catchError: true }) } sendError() { fetch(‘/errorlog’, { headers: { ‘Accept’: ‘application/json’, ‘Content-Type’: ‘application/json’ }, method: “POST”, body: JSON.stringify({ message: this.props.type + ‘ – ‘ + this.props.error.message, stack: this.props.error.stack }) }) } Here is what the above code is Doing: 1. We’re using the componentDidCatch lifecycle method…
const config = { onUploadProgress: progressEvent => console.log(progressEvent.loaded) } Here is what the above code is Doing: 1. We’re importing axios from the axios library. 2. We’re creating a config object with a property called onUploadProgress. 3. We’re passing the config object as the second argument in the post() method. 4. We’re logging the number…
let arr =[“a”,”b”,”c”]; // ES6 way const copy = […arr]; // older method const copy = Array.from(arr); Here is what the above code is Doing: 1. We have an array called arr. 2. We create a new array called copy. 3. We use the spread operator to copy the contents of arr into copy. 4….
Here is what the above code is Doing: 1. ng-repeat is used to iterate over the countries array. 2. slice() is used to slice the array. 3. currentPage is the variable that holds the current page number. 4. itemsPerPage is the variable that holds the number of items to be displayed on each page. 5….
npm install ngx-timeago –save Here is what the above code is Doing: 1. Importing the TimeAgoPipe from the ngx-timeago package. 2. Adding the TimeAgoPipe to the declarations array in the @NgModule decorator. 3. Using the pipe in the template.
return Array.from(new Set(this.posts.map(e => e.category))) Here is what the above code is Doing: 1. We’re using the map() method to create a new array with the category property of each post. 2. We’re using the Set object to remove any duplicate categories. 3. We’re using the Array.from() method to convert the Set object back into…