Answer: Use the value PropertyYou can simply use the value property of the DOM input element to get the value of text input field.The following example will display the entered text in the input field on button click using JavaScript.
Getting the input value To get the input field value, first we need to access theinputelement by using its id attribute then it has avalueproperty which is holding the data you entered in that field. constinput=document.getElementById('name');constbtn=document.getElementById('btn');btn.on...
We would like to know how to validate input text field value on blur event. Answer <!DOCTYPEhtml> <html> <head> <script type='text/javascript'> function validatestr(id,max,min) {<!--fromwww.java2s.com--> var maximum = parseInt(max); var...
In this tutorial, we are going to learn about how to clear the input field value in form using the JavaScript. reactgo.com recommended courseJavaScript - The Complete Guide 2023 (Beginner + Advanced) We mostly clear the form input field values after submitting a form or clearing the cluttered...
Step 2) Add JavaScript:If an input field (fname) is empty, this function alerts a message, and returns false, to prevent the form from being submitted:Example function validateForm() { var x = document.forms["myForm"]["fname"].value; if (x == "") { alert("Name must be filled...
When a user types in a password text field, the input appears as bullets or asterisks to protect it from observation by others.Init val Assigns the value displayed in the field when the form first loads. For example, you might indicate that the user enters information in the field by ...
getElementById("<variable name>"); Was this answer useful? Yes ReplyCool Swadi Dec 30th, 2009 You can use either 1. document.getElementById("<filedId>").valueor2. document.forms[0].<fieldName>.value Was this answer useful? Yes Replyram...
i am using the below code to open a modalpopup using javascript. but not able to get the return value. var textvalue = window.showModalDialog("frmModalDialog.aspx", 'popup1', "dialogHeight: 250px; dialogWidth: 250px; edge: Raised; center: Yes; help: Yes; resizable: Yes; status: No...
Calendar error - "The added or subtracted value results in an un-representable DateTime" CALENDAR: Disable past dates Calendar.SelectedDate - Is selected? call a javascript function if a required field validator fails call a page load event from another code behind Call a Postback in a JavaSc...
Step 3) Add JavaScript: Example /* When the user clicks on the button, toggle between hiding and showing the dropdown content */ functionmyFunction() { document.getElementById("myDropdown").classList.toggle("show"); } // Close the dropdown menu if the user clicks outside of it ...