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This article mainly introduces what is the difference between call () and apply (). It is very detailed and has a certain reference value. Interested friends must read it!

The differences are:

The call () method accepts parameters, respectively.

The apply () method accepts parameters as an array.

The apply () method is handy if you want to use arrays instead of parameter lists.

Apply () method with parameters

The apply () method accepts the parameters in the array:

Example

Var person = {

FullName: function (city, country) {

Return this.firstName + "+ this.lastName +", "+ city +", "+ country"

}

}

Var person1 = {

FirstName: "John"

LastName: "Doe"

}

Person.fullName.apply (person1, ["Oslo", "Norway"])

Compared with the call () method:

Example

Var person = {

FullName: function (city, country) {

Return this.firstName + "+ this.lastName +", "+ city +", "+ country"

}

}

Var person1 = {

FirstName: "John"

LastName: "Doe"

}

Person.fullName.call (person1, "Oslo", "Norway")

The above is all the content of the article "what's the difference between call () and apply ()". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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