input js code example

Example 1: input datetime

<input type="datetime-local">

Example 2: input js

var answer = prompt("Ask your question here");

Example 3: input in js

var answer = prompt("Question")

Example 4: user input through js

var at = document.getElementById("email").value.indexOf("@");
var age = document.getElementById("age").value;
var fname = document.getElementById("fname").value;
submitOK = "true";

if (fname.length > 10) {
  alert("The name may have no more than 10 characters");
  submitOK = "false";
}

if (isNaN(age) || age < 1 || age > 100) {
  alert("The age must be a number between 1 and 100");
  submitOK = "false";
}

if (at == -1) {
  alert("Not a valid e-mail!");
  submitOK = "false";
}

if (submitOK == "false") {
  return false;
}

Example 5: javascript input field

<!DOCTYPE html> 
<html> 
  <body>
    <input> Here is your inputfield </input>
  </body>
</html>

Example 6: input in javascript

Input Text Object
The Input Text object represents an HTML <input> element with type="text".

Access an Input Text Object
You can access an <input> element with type="text" by using getElementById():

Example
var x = document.getElementById("myText");
Tip: You can also access <input type="text"> by searching through the elements collection of a form.

Create an Input Text Object
You can create an <input> element with type="text" by using the document.createElement() method:

Example
var x = document.createElement("INPUT");
x.setAttribute("type", "text");

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