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The Array in Java Script is a global object which contains a list of items.It is similar to any variable, in that you can use it to hold any type of data.
alert(rest); // Consul alert(rest); // of the Roman Republic alert(rest.length); // 2, just make sure it has three dots before it and goes last in the destructuring assignment.
If there are fewer values in the array than variables in the assignment, there will be no error.
Destructuring assignment is a cool feature that came along with ES6. We can see that when we want to extract data from an array , we had to do the same thing over and over again. Basic Destructuring If we want to extract data using arrays, it's quite simple using destructuring assignment. Instead of going through that repetitive process, we'll do this.
Destructuring is a Java Script expression that makes it possible to unpack values from arrays, or properties from objects, into distinct variables. ES6 destucturing assignment makes it easier to extract this data. This article discusses destructuring assignment of arrays. Notice that the variables are set from left to right. Look at the array on the left side of the variable assignment. Using this pattern, you can unpack and assign the remaining part of an array to a variable.
So if you want to skip an item on an array, just use a comma.