The task is to perform a push operation without using the push() method with the help of JavaScript. There are two approaches that are discussed below.
Approach 1: Use the length property to insert the element at the end of the array.
Example: This example implements the above approach.
html
<body style="text-align: center;">
<h1 style="color: green;">
GeeksforGeeks
</h1>
<h3>
Alternatives of push() method in Javascript
</h3>
<p id="GFG_UP"></p>
<button onclick="myGFG()">
Click Here
</button>
<p id="GFG_DOWN"></p>
<script>
var arr = ["Element 1", "Element 2",
"Element 3", "Element 4"];
var up = document.getElementById("GFG_UP");
up.innerHTML = "Array = [" + arr + "]";
var element = "Element x";
var down = document.getElementById("GFG_DOWN");
function myGFG() {
arr[arr.length] = element;
down.innerHTML = "Elements of array = [" + arr + "]";
}
</script>
</body>
|
Output:
Alternatives of push() method in JavaScript
Approach 2 Use the [] notation to insert the element at the end of the array.
Example: This example implements the above approach.
html
<body style="text-align: center;">
<h1 style="color: green;">
GeeksforGeeks
</h1>
<h3>
Alternatives of push() method in Javascript
</h3>
<p id="GFG_UP"></p>
<button onclick="myGFG()">
Click Here
</button>
<p id="GFG_DOWN"></p>
<script>
var arr = ["Element 1", "Element 2",
"Element 3", "Element 4"];
var up = document.getElementById("GFG_UP");
up.innerHTML = "Array = [" + arr + "]";
var element = "Element x";
var down = document.getElementById("GFG_DOWN");
function myGFG() {
arr = [arr, element];
down.innerHTML = "Elements of array = [" + arr + "]";
}
</script>
</body>
|
Output:
Alternatives of push() method in JavaScript
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