TypeScript - String substring()

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This method returns a subset of a String object.

Syntax

string.substring(indexA, [indexB])

Argument Details

• indexA − An integer between 0 and one less than the length of the string.

• indexB − (optional) An integer between 0 and the length of the string.

Return Value

The substring method returns the new sub-string based on given parameters.

Example

var str = "Apples are round, and apples are juicy."; 
console.log("(1,2): "    + str.substring(1,2)); 
console.log("(0,10): "   + str.substring(0, 10)); 
console.log("(5): "      + str.substring(5));

On compiling, it will generate the same code in JavaScript.

Its output is as follows −

(1,2): p 
(0,10): Apples are 
(5): s are round, and apples are juicy.