how to check whether the given input is string or not in javascript code example

Example 1: how to check whether input is string or not

num = input("Enter your number ")

print("\n")
if num.isdigit():
    print("User input is Number ")
else:
    print("User input is string ")

Example 2: check if value is a string javascript

let eventValue = event.target.value;

    if (/^\d+$/.test(eventValue)) {
      eventValue = parseInt(eventValue, 10);
    }

//If value is a string, it converts to integer. 

//Otherwise it remains integer.

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