verify if string exists in text js code example

Example 1: typescript string contains

const test = 'Hello World';
if (test.includes('World')) { 
  // Found world
}

Example 2: js string does not contain

"this is the string".indexOf("cake"); // -1 (does not contain)
"this string has cake".indexOf("cake"); // 16 (contains)

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Typescript Example

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