Look up a string array using a specified user and provide the indexes of the matching string array elements

I am facing an issue with finding the indexes of phrases that contain a specific keyword in an array. 

var possibleValues=["contacts","delete","new contact","add","display"];

The user input can vary, it could be "contacts" or even "how to create a contact?". My function needs to return the indexes of phrases in the array that include the keyword 'contact'. I have attempted a logic but haven't been successful so far. Here is what I have done:

var indexes = [];
for (i = 0; i < possibleValues.length; i++) {
  if (arr[i].indexOf(userinput) != -1 || userinput.indexOf(arr[i])!=-1) {
    indexes.push(i);
  }
}

If anyone has some insights on how to solve this issue, your help would be greatly appreciated!

javascriptarrays

Answer №1

Your solution is very close to being correct. The key adjustments needed are comparing with -1 instead of 1, and using possibleValues[i] instead of arr[i].

If you aim to match each word in the user input, you must separate it into individual words and introduce an additional nested loop.

var possibleValues = ["contacts", "delete", "new contact", "add", "display"];
var userInput = "how to create contact";
var words = userInput.split(' ');
var indexes = [];
for (let i = 0; i < possibleValues.length; i++) {
    for (let j = 0; j < words.length; j++) {
        if (possibleValues[i].indexOf(words[j]) != -1 || words[j].indexOf(possibleValues[i]) != -1) {
            indexes.push(i);
            break;
        }
    }
}
console.log(indexes);

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