How to swap two variables in JavaScript
In this post we will give you information about How to swap two variables in JavaScript. Hear we will give you detail about How to swap two variables in JavaScriptAnd how to use it also give you demo for it if it is necessary.
we are going to learn about how to swap the values of two variables using JavaScript.
Consider, we have a two variables like this:
let x = 10;let y = 11;
Now, we need to swap the x variable value with y variable.
Using the destructuring assignment
To swap the two variables in JavaScript, we can use the es6 destructuring assignment syntax.
Here is an example:
let x = 10;let y = 11;[x, y] = [y, x];console.log(x, y); // 11 , 10
Similarly, we can also swap it by creating a tmp (temporary) variable in JavaScript.
let x = 10;let y = 11;let tmp = x;x = y;y= tmp;console.log(x, y); // 11 , 10
In the above code, we first initialized a tmp variable and assigned the x variable to it, then weupdated the x variable with y and we assigned the tmp variable to y.
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