The HTML DOM Input Date readOnly property sets/returns whether Input Date can be modified or not.SyntaxFollowing is the syntax −Returning boolean value - true/falseinputDateObject.readOnlySetting readOnly to booleanValueinputDateObject.readOnly = booleanValueBoolean ValuesHere, “booleanValue” can be the following −booleanValueDetailstrueIt defines that the input date is readOnly.falseIt defines that the input date is not readOnly ... Read More

The HTML DOM Input Date required property determines whether Input date is compulsory to set or not.SyntaxFollowing is the syntax −Returning boolean value - true/falseinputDateObject.requiredSetting required to booleanValueinputDateObject.required = booleanValueBoolean ValuesHere, “booleanValue” can be the following −booleanValueDetailstrueIt defines that it is compulsory to set the date field to submit form.falseIt ... Read More

The HTML DOM select add() method adds a new option to a drop-down list in an HTML document.SyntaxFollowing is the syntax −object.add(option, index)ExampleLet us see an example of HTML DOM select add() method − Live Demo    html{       height:100%;    }    body{     ... Read More

The HTML DOM select remove() method removes a new option from a drop-down list in an HTML document.SyntaxFollowing is the syntax −object.remove(index)Here, index represents the index of the option which is to be removed from the drop-down list.ExampleLet us see an example of HTML DOM select remove() method − Live Demo ... Read More

The HTML DOM option Object represent the element of an HTML document.Let us now see how to create option object −SyntaxFollowing is the syntax −document.createElement(“OPTION”);PropertiesFollowing are the properties of option Object −PropertyExplanationdisabledIt returns and modify whether the option element is disabled or not.defaultSelectedIt returns the default value of option ... Read More

The HTML DOM Samp Object represent the element of an HTML document.Let us create a samp object −SyntaxFollowing is the syntax −document.createElement(“SAMP”);ExampleLet us see an example of samp object − Live Demo    body{       text-align:center;       background-color:#fff;       color:#0197F6;   ... Read More

The HTML DOM Section Object represent the element of an HTML document.Let us create section objectSyntaxFollowing is the syntax −document.createElement(“SECTION”);ExampleLet us see an example of HTML DOM section object − Live Demo    body{       text-align:center;       background-color:#fff;       color:#0197F6;   ... Read More

The HTML DOM option defaultSelected property returns the default value of option element in an HTML document.SyntaxFollowing is the syntax −object.defualtSelectedExampleLet us see an example of defaultSelected property − Live Demo    html{       height:100%;    }    body{       text-align:center;       ... Read More

The HTML DOM querySelector() method returns the first element that matches a specific CSS selector specified in its parameter in an HTML document.SyntaxFollowing is the syntax −document.querySelector(“CSS Selector”);ExampleLet us see an example of querySelector() method − Live Demo    html{       height:100%;    }    body{ ... Read More

The HTML DOM querySelectorAll() method returns all elements that matches a specific CSS selector specified in its parameter in an HTML document.SyntaxFollowing is the syntax −document.querySelectorAll(“CSS Selector”);ExampleLet us see an example of querySelectorAll() method − Live Demo    html{       height:100%;    }    body{   ... Read More