Great job on starting a new lesson! In the FAQ, test yourself by clicking the correct answer for each question. Then, click Next button at bottom right to continue.
JavaScript Testing and Deployment
JavaScript testing checks the correctness of your code to meet your requirements, before it is deployed. JavaScript deployment makes your code available to use. You can perform unit testing on your JavaScript code using popular testing frameworks such as Jest, and Mocha. For testing React components, you can use libraries like React Testing Library and Enzyme. If you're developing Angular applications, Karma and Jasmine are common testing tools. Vue.js components can be tested using Vue Test Utils. To deploy your JavaScript applications, you need to upload the code to a web server.
Example: JavaScript Testing
<!DOCTYPE html>
<html>
<body>
<script>
document.body = document.createElement('body');
var element = document.createElement('div');
element.textContent = 'JavaScript training Software Testing Space!';
element.textContent += ' Check the Console output.';
document.body.appendChild(element);
// JavaScript testing and deployment example
// Assume we have written tests for a JavaScript function.
// After testing, we have to deploy the code to a web server.
function sum(a, b) {
return a + b;
}
// Testing the function output in the console
console.log(sum(2, 3));
</script>
</body>
</html>
FAQ (Interview Questions and Answers)
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What is JavaScript testing?
JavaScript testing is the process of verifying the functionality and correctness of JavaScript code.
JavaScript testing is a technique used to write efficient JavaScript code.
JavaScript testing is a tool used for optimizing website performance.
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How to deploy JavaScript code?
By manually copying and pasting the code into the web server.
JavaScript code can be deployed by uploading it to a web server.
Deploying JavaScript code requires using specialized deployment software.
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What are some commonly used JavaScript testing frameworks?
Jest, Mocha, Jasmine, and React Testing Library are commonly used JavaScript testing frameworks.
JavaScript testing frameworks are not widely used in the industry.
JavaScript testing frameworks are only used for back-end testing.
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How can you test React components?
React components cannot be tested.
React components can be tested using libraries such as React Testing Library and Enzyme.
React components can only be tested with Karma and Jasmine.
-
Which front-end testing framework is commonly used with Angular?
Jest
React Testing Library
Karma and Jasmine
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