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// Function to perform multiple find-and-replace operations
function multipleFindReplace(text, replacements) {
    let result = text;
    
    replacements.forEach(replacement => {
        const [find, replace] = replacement;
        // Create a regular expression to find all instances of the text
        const regex = new RegExp(find, 'g');
        result = result.replace(regex, replace);
    });
    
    return result;
}

// Example usage
const text = "Hello World! Have a great World!";
const replacements = [
    ["World", "Universe"],
    ["great", "wonderful"]
];

const newText = multipleFindReplace(text, replacements);
console.log(newText);  // Output: "Hello Universe! Have a wonderful Universe!"