js substring from character code example

Example 1: js substring

// the substring method returns a string out of another string

const str = 'Mozilla';

console.log(str.substring(1, 3));
// expected output: "oz"

console.log(str.substring(2));
// expected output: "zilla"

Example 2: substring javascript

var str = "Hello world!";
var res = str.substring(1, 4); //ell

Example 3: javascript substring

string.substring( start, end )

Example 4: javascript substring

// zero-based index, 'end' is excluded from result
myString.substring( start, end )

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