CODE EXAMPLE FOR JAVASCRIPT

js check if array of dictionaries contain

const myArray = [{key1: "value1", key2: "value2"}, {key1: "value4", key2: "value8"}, {key1: "value1", key2: "value3"}, {key1: "value1", key2: "value32"}]
  
if(myArray.some(e => e.key1 == 'value1')) {
  console.log('Exists');
}
 Run code snippet