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`@@ -57,6 +57,8 @@ Top JavaScript interview questions`
`57`	`57`	`\| 49 \| [ES6 and its features](#49-es6-and-its-features) \|`
`58`	`58`	`\| 50 \| [Difference between function and method](#50-difference-between-function-and-method) \|`
`59`	`59`	`\| 51 \| [What is aync and await](#51-what-is-aync-and-await) \|`
	`60`	`+\| 52 \| [What is the role of event.preventDefault()](#52-what-is-the-role-of-eventpreventdefault) \|`
	`61`	`+\| 53 \| [What is the use of JSON.stringify()](#53-what-is-the-use-of-jsonstringify) \|`
`60`	`62`
`61`	`63`
`62`	`64`	`### 1. What is JavaScript`
`@@ -788,4 +790,15 @@ const getData = async () => {`
`788`	`790`	`getData();`
`789`	`791`	```
`790`	`792`
	`793`	`+### 52. What is the role of event.preventDefault()`
	`794`	`+The preventDefault() method is used to stop the default action of an element.`
`791`	`795`
	`796`	`+E.g., when a user submits a form, the browser sends the form data to the URL specified in the action attribute. In some cases, we may want to prevent this default behavior.`
	`797`	`+`
	`798`	`+### 53. What is the use of JSON.stringify()`
	`799`	`+JSON.stringify() method is used to convert a JavaScript object or value into an equivalent JSON string.`
	`800`	+```js
	`801`	`+const obj = { firstname: "Surbhi", lastname: "Dighe" };`
	`802`	`+const jsonString = JSON.stringify(obj);`
	`803`	`+console.log(jsonString); // output ========> {"firstname":"Surbhi","lastname":"Dighe"}`
	`804`	+```

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