You can use the JavaScript filter() method to filter an array of objects based on a given string. Here is an example of how to use the filter() method to filter an array of objects based on a string:

let arrayOfObjects = [
  {name: 'John', age: 20},
  {name: 'Jane', age: 30},
  {name: 'James', age: 40}
];

let filteredArray = arrayOfObjects.filter(object => {
  let properties = Object.values(object);
  return properties.some(property => property.includes('John'));
});

console.log(filteredArray); // [{name: 'John', age: 20}]

In the example above, the filter() method is used to filter the array of objects and check if any of the object's properties contain the string 'John'. If it does, the object is added to the new filteredArray. This can be used to filter an array of objects based on any given string.
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