JavaScript ExamplesGetting the dateGetting and formatting the dateGetting a random numberGetting a random integerDisplaying an alert boxTelling what happenedTelling what happened (Button)The EndJan 13, 2019JavaScript ExamplesGetting the date<script type="text/javascript"> var d = new Date() document.write(d.getDate() + "/") document.write((d.getMonth() + 1) + "/") document.write(d.getFullYear()) </script> 27/09/2004Getting 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, Sep 27, 2004Getting a random numberThe following code gets a random floating-point number between 0 and 1:<script type="text/javascript"> document.write(Math.random())</script>0.728762788388911Getting a random integerThe 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>5Displaying an alert boxThe 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 happenedIn my Concise JavaScript, part 2, I have code that shows what events occur when the user takes various actionsIn the <h ead> 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) eventTelling 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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