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Describe the action of the indexOf and substring methods. Explain how these methods can be used to divide an existing string into two parts. Why is it necessary to add 1 to the position of the space when copying the remainder of the string

Sagot :

Answer:

The indexOf is a string method used to get the index of a character in a string. It can be used with the slice, substr, or subString methods to divide a string into two or more parts.

var words = "hello John Snow";

var A = words.slice(0, words.indexOf("John"));

var B = words.slice(words.indexOf("John") + 1, words.length());

One (1) is added to the space of avoid repeating a character in both new strings.

Explanation:

The indexOf method is a built-in method in Javascript used to get the index of a character or word in a string variable. The return integer number can be used in a method like a slice() to divide the string and them to other string variables.

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