JavaScript Push Object Into Array With Key
Last Updated : Mar 11, 2024
IN - JavaScript | Written & Updated By - Riya
In this tutorial we will show you the solution of JavaScript push object into array with key, arrays are list objects with methods for performing mutation operations in their prototype.
The length of a JavaScript array is not fixed, nor are the types of its elements. There are times when we need to push objects into arrays with keys.
However, in this post, Javascript places the item in an array with a key.
Step By Step Guide On JavaScript Push Object Into Array With Key :-
Values are appended to an array using the push technique.
The word "push" is meant to be broad. On objects that resemble arrays, this function can be used with call() or apply().
The length property is used by the push method to determine where to begin inserting the specified items.
Despite the fact that strings are native Array-like objects, they are not suited for use with this function since strings are immutable. The native, Array-like object parameters behave similarly.
Below is the example of how Javascript push object into Array with key
<html>
<head>
<title></title>
</head>
<body>
<script>
let arr = [];
const obj = {};
const name = 'Ram';
obj['name'] = name;
arr.push(obj);
console.log(arr); // [{name: 'Ram'}]
</script>
</body>
</html>
- To begin, type <! DOCTYPE html> to indicate that the file is in HTML format to the web browser.
- The <html> element, on the other hand, is used to indicate that HTML content is about to begin.
- The information about web pages is now contained in the <head> tag. This tag uses the <title> element to provide a web page title. The <head> and <title> tags, for example, are paired tags. As a result, both have the closing tags </head> and </title>.
- Finally, the <body> element specifies the content of the web page. This is where all of the website's material will be written. We used the script tag inside the body element to insert our javascript code.
- Call the push() function with the object as an argument to push an object into an array arr.push({name: 'Ram'}) for example, pushes the item into the Array. The push method pushes one or more elements to the Array's end.
- To push an item into the Array, we utilised the Array.push method in the code sample. The object is pushed to the Array's end.
- If you only have the values for the object, you must first create it before placing it into the Array.
- We can use bracket notation to assign one or more key-value pairs to the object, and then use the push method to add the object to the end of the Array once the values have been assigned.
- The </body> and </html> tags, respectively, close the body and html tags.
Conclusion :-
The array push() function in JavaScript is used to add new HTML items to an array. The push() method will attach the new items to the end of the Array by default.
When the JavaScript push() method is used to an array, it returns a specific value. I hope this tutorial on JavaScript push object into array with key helps you.
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