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  2. HTML form - Wikipedia

    en.wikipedia.org/wiki/HTML_form

    The <date> input type displays a calendar from which the user can select a date or date range. [ 2 ] [ 3 ] And the color input type can be represented as an input text simply checking the value entered is a correct hexadecimal representation of a color, according to the specification, [ 4 ] or a color picker widget (the latter being the ...

  3. Text box - Wikipedia

    en.wikipedia.org/wiki/Text_box

    A text box also called an input box, text field or text entry box, is a control element of a graphical user interface, that should enable the user to input text information to be used by a program. [ 1 ] [ 2 ] Human Interface Guidelines recommend a single-line text box when only one line of input is required, and a multi-line text box only if ...

  4. Range query (computer science) - Wikipedia

    en.wikipedia.org/wiki/Range_query_(computer_science)

    Range sum queries may be answered in constant time and linear space by pre-computing an array p of same length as the input such that for every index i, the element p i is the sum of the first i elements of a. Any query may then be computed as follows: ⁡ (,) =.

  5. HTML - Wikipedia

    en.wikipedia.org/wiki/HTML

    HTML DTD 1.1 (the first with a version number, based on RCS revisions, which start with 1.1 rather than 1.0), an informal draft [37] June 1993 Hypertext Markup Language [ 38 ] was published by the IETF IIIR Working Group as an Internet Draft (a rough proposal for a standard).

  6. HTML element - Wikipedia

    en.wikipedia.org/wiki/HTML_element

    A one-line text input field. The size attribute specifies the default width of the input in character-widths. max-length sets the maximum number of characters the user can enter (which may be greater than size). type="search" A variation of text which produces a search bar. type="password" A variation of text.

  7. JavaScript syntax - Wikipedia

    en.wikipedia.org/wiki/JavaScript_syntax

    var x1 = 0; // A global variable, because it is not in any function let x2 = 0; // Also global, this time because it is not in any block function f {var z = 'foxes', r = 'birds'; // 2 local variables m = 'fish'; // global, because it wasn't declared anywhere before function child {var r = 'monkeys'; // This variable is local and does not affect the "birds" r of the parent function. z ...

  8. Range query (database) - Wikipedia

    en.wikipedia.org/wiki/Range_query_(database)

    A range query is a common database operation that retrieves all records where some value is between an upper and lower boundary. [1] For example, list all employees with 3 to 5 years' experience. Range queries are unusual because it is not generally known in advance how many entries a range query will return, or if it will return any at all.

  9. Numerical range - Wikipedia

    en.wikipedia.org/wiki/Numerical_range

    The numerical range of a matrix is a filled ellipse. W ( A ) {\displaystyle W(A)} is a real line segment [ α , β ] {\displaystyle [\alpha ,\beta ]} if and only if A {\displaystyle A} is a Hermitian matrix with its smallest and the largest eigenvalues being α {\displaystyle \alpha } and β {\displaystyle \beta } .