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Various aspects of javascript used for web form handling, including form organization, form element manipulation, form validation, and regular expressions. It discusses topics such as accessing form elements, handling user events, working with selection lists, formatting numeric values, and using the constraint validation api. The document also covers the syntax and usage of javascript constructs like loops, conditional statements, and event handling. Overall, this document provides a comprehensive overview of the javascript capabilities and techniques employed in creating interactive and responsive web forms.
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Since a page can contain multiple web forms, JavaScript organizes the forms into _____ object collection. - Answers-document.forms[idref] Which of the following expressions can be used to reference a form element using its name or id attribute? - Answers-form.elements.ename; Identify the input field property or method that can be used to remove the focus from the input box. a. input.focus() b. input.pattern c. input.blur() d. input.required - Answers-input.blur() Identify the input field property or method that can be used to return the current value displayed in the input box. - Answers-input.value Which of the following selection list properties returns true if more than one option can be selected from the list? - Answers-select.multiple _____ is a selection list property that returns the number of options displayed in the selection list. - Answers-select.size Identify the options object collection in which the selection list options are organized. - Answers-select.options[idref] Identify the toLocaleString() method that gives you more control while formatting numeric values. - Answers-value.toLocaleString(locale, {options}) Which of the following descriptions corresponds to the currency:code option from the toLocaleString() method? - Answers-Currency symbol to use for currency formatting where code designates the country or language The _____ option from the toLocaleString() method indicates whether to use a thousands grouping symbol (true) or not (false). - Answers-useGroup: Boolean For options buttons and check boxes, use the _____ event handler in response to the user clicking those elements. - Answers-onclick In many web forms, important data is stored within _____ so that the data is available to programmers but removed from the user's control. - Answers-hidden fields Identify the reason for which