What is variable in HTML?
<var>: The Variable element. The <var> HTML element represents the name of a variable in a mathematical expression or a programming context. It’s typically presented using an italicized version of the current typeface, although that behavior is browser-dependent.
- Display the variable using document. write() method.
- Display the variable to an HTML element content using innerHTML property.
- Display the variable using the window. alert() method.
How do you define a variable in Java?
To declare (create) a variable, you will specify the type, leave at least one space, then the name for the variable and end the line with a semicolon ( ; ). Java uses the keyword int for integer, double for a floating point number (a double precision number), and boolean for a Boolean value (true or false).
What do u mean by variable?
A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.
How do you call a variable in HTML?
Use the <var> tag in HTML to add a variable. The HTML <var> tag is used to format text in a document. It can include a variable in a mathematical expression.
What can go into a variable?
Numbers, text, and colors can all go into variables, as well as more complicated data structures that students will see later in the course.
Type “alert (“Hey, ” + name + “!”);”. This line of code will add the variable “name” to the word “Hey, “(with the space at the end), and then add “!” to end the sentence (not required). For example, if the user inputs “Trevor” as the value of the variable “name”, the alert will say “Heya, Trevor!”.