passing functions to nested children

ByAnurag batra October 2, 2022September 6, 2022

 this.handleChange('carrier')} />

Here is what the above code is Doing:
1. We’re importing the GetAllCouriers component from the GetAllCouriers.js file.
2. We’re creating a new component called CarrierSelector.
3. We’re creating a new state called carrier.
4. We’re creating a new method called handleChange.
5. We’re passing the handleChange method to the GetAllCouriers component.
6. We’re passing the carrier state to the GetAllCouriers component.
7. We’re rendering the GetAllCouriers component.

Uncaught DOMException: Failed to execute ‘getImageData’ on ‘CanvasRenderingContext2D’: The canvas has been tainted by cross-origin data.

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Uncaught DOMException: Failed to execute ‘getImageData’ on ‘CanvasRenderingContext2D’: The canvas has been tainted by cross-origin data.

ByAnurag batra July 1, 2022June 30, 2022

// Add below code just after creating the image object img.crossOrigin = “Anonymous”; Here is what the above code is Doing: 1. We are creating an image object. 2. We are setting the crossOrigin property of the image object to Anonymous. 3. We are setting the src property of the image object to the URL…

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patch if else use

ByAnurag batra October 3, 2022September 6, 2022

Documents.update( {some_condition: true}, {$set: {“status”: {$cond: {if : {“some field”: “some condition”}}, {then: “value 1”} , {else: “value 2”} } }} ) Here is what the above code is Doing: 1. It’s updating all documents that match the condition {some_condition: true} 2. It’s setting the status field to a value that is determined by the…

clean-webpack-plugin clearing dist folder

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clean-webpack-plugin clearing dist folder

ByAnurag batra October 19, 2022September 6, 2022

devServer: { index: ‘index.html’, contentBase: path.join(__dirname, ‘dist’), compress: true, hot: true, //Hot module replacement port: 9000, writeToDisk:true, open: ‘chrome’ //open in chrome } this solved my question of keeping output files generated intact. Here is what the above code is Doing: 1. It is telling webpack to write the output files to disk. 2. It…

how to check if a user is logged in javascript

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how to check if a user is logged in javascript

ByAnurag batra October 5, 2022September 6, 2022

jQuery(window).load(function() { //Set the login session sessionStorage.setItem(‘status’,’loggedIn’) }); //Check the login session if (sessionStorage.getItem(‘status’) != null)) //redirect to page console.log(‘You are logged in’); } else{ //show validation message console.log(‘You are not logged in’); } Here is what the above code is Doing: 1. When the page loads, it sets the sessionStorage item to loggedIn. 2….

will console.log will be automatically disabled in react native for development build

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will console.log will be automatically disabled in react native for development build

ByAnurag batra October 12, 2022September 6, 2022

{ “presets”: [“react-native”], “env”: { “production”: { “plugins”: [“transform-remove-console”] } } } Here is what the above code is Doing: 1. We are telling babel to use the react-native preset. 2. We are telling babel to remove all console.* calls in production. Now, let’s add the following code to our package.json file:

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await setTimeout

ByAnurag batra July 21, 2022June 30, 2022

await new Promise(resolve => setTimeout(resolve, 1000)); Here is what the above code is Doing: 1. We’re creating a new instance of the Puppeteer class. 2. We’re telling Puppeteer to launch a new browser window. 3. We’re telling Puppeteer to create a new page in the browser. 4. We’re telling Puppeteer to navigate to the URL…

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