Penn CIT 597 - JavaScript Examples (9 pages)

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JavaScript Examples



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JavaScript Examples

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Pages:
9
School:
University of Pennsylvania
Course:
Cit 597 - Programming Languages and Techniques III.
Programming Languages and Techniques III. Documents

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JavaScript Examples Jan 14 2019 Getting the date script type text javascript var d new Date document write d getDate document write d getMonth 1 document write d getFullYear script 27 10 2003 Getting and formatting the date script type text javascript var d new Date var weekday new Array Sunday Monday Tuesday Wednesday Thursday Friday Saturday var monthname new Array Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec document write weekday d getDay document write monthname d getMonth d getDate document write d getFullYear script Monday Oct 27 2003 Getting a random number The following code gets a random floating point number between 0 and 1 script type text javascript document write Math random script 0 728762788388911 Getting a random integer The following code gets a random integer between 1 and 10 script type text javascript var max 10 number Math random max 1 document write Math floor number script 5 Displaying an alert box The following code displays an alert box when a button is clicked form Buttons can only occur within forms input type button name Submit value Alert onclick alert Oh oh something happened form Telling what happened In my Concise JavaScript part 2 I have code that shows what events occur when the user takes various actions In the head of the HTML page I define script function tell a b document forms 0 result value n a b script For each form element I have a handler for every plausible event Telling what happened Button input type button name plainButton value Plain Button onMouseDown tell this name onmousedown onMouseUp tell this name onmouseup onClick tell this name onclick onDblClick tell this name ondblclick onFocus tell this name onfocus onBlur tell this name onblur onMouseOver tell this name onmouseover onMouseOut tell this name onmouseout onChange tell this name onchange onKeyPress tell this name onkeypress onKeyDown tell this name onkeydown onKeyUp tell this name onkeyup onSelect tell this name onselect onReset tell this name onreset The



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