Attach Required Field Form For Free

We can easily use the required attribute with the <input> element as shown in the following syntax: <input required>

How to indicate a required field Provide the required text in the label. Provide a graphic * image in the label with appropriate alt text. Providing star (asterisk) symbol. Use of color to identify if a form control is required. Providing HTML5 & ARIA required attributes.

Providing Star (Asterisk) Symbol This is one of the most widely-adopted methods to notify the users that a form control is required. A star (asterisk) symbol is provided along with the label.

This can be done in the following three steps: Get the parent element using any DOM method such as getElementById() under which you want to add the input field. Create a new input element using the createElement() method. Append the newly created input element to the parent element using the appendChild() method.

It is a common technique to add an asterisk * to a form control's label. Then, somewhere else on the page, for example below the form, this asterisk is explained to indicate a required input (in allusion to foot notes in text documents).

# Set the "required" Attribute using JavaScript Select the element. Use the setAttribute() method to set the required attribute. The setAttribute method will add the required attribute to the element.

JavaScript: HTML Form - checking for non empty field Javascript function to check whether a field is empty or not // If the length of the element's string is 0 then display helper message function required(inputtx) { if (inputtx.value.length == 0) { alert("message"); return false; } return true; } ... Flowchart:

# Set the "required" Attribute using JavaScript Select the element. Use the setAttribute() method to set the required attribute. The setAttribute method will add the required attribute to the element.

How to indicate a required fieldProvide the required text in the label.Provide a graphic image in the label with appropriate alt text.Providing a star (asterisk) symbol.Use of color to identify if a form control is required.Providing HTML5 and ARIA required attributes.Jun 11, 2019

How to indicate a required fieldProvide the required text in the label.Provide a graphic image in the label with appropriate alt text.Providing a star (asterisk) symbol.Use of color to identify if a form control is required.Providing HTML5 and ARIA required attributes.Jun 11, 2019