Assert module in Node.js provides a bunch of facilities that are useful for the assertion of the function. The assert module provides a set of assertion functions for verifying invariants. If the condition is true it will output nothing else an assertion error is given by the console.

The Complete List of NodeJS Assert are listed below:

• Node.js Assert module
• Node.js assert() function
• Node.js assert.deepStrictEqual() Function
• Node.js assert.doesNotThrow() Function
• Node.js assert.equal() Function
• Node.js assert.fail() Function
• Node.js assert.ifError() Function
• Node.js assert.match() Function
• Node.js assert.notDeepEqual() Function
• Node.js assert.notDeepStrictEqual() Function
• Node.js assert.notEqual() Function
• Node.js assert.ok() Function
• Node.js assert.rejects() Function
• Node.js assert.strictEqual() Function