Train Schedule

JavaScriptSource Staff Nov 13, 2002

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Train Schedule

The problem of adding times is interesting. This script generates a train schedule by adding the time of the trip to the departure time. Because of possible carries to the hours time is shown in military format. Works in most browsers.

The JavaScript Source: Miscellaneous: Train Schedule

Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Command-s). The script is yours!!!

<!-- THREE STEPS TO INSTALL TRAIN SCHEDULE:

1.  Copy the coding into the HEAD of your HTML document

2.  Add the onLoad event handler into the BODY tag

3.  Put the last coding into the BODY of your HTML document  -->

<HEAD>

<!-- Begin

stationname:	array of station names in sequence with 1st station

timediff: 		array of times from 1st station

starting:		array of departure times from 1st station

var nameStation = new Array("Startville", "Twoshire  ", "Threeham  ", "Fourhampton", "Terminus  ");

var timeDiff = new Array("0:00", "1:03", "1:18", "1:43", "0:153"); // time to last station is 2 hours and 33 minutes = 153 minutes

var timeStart = new Array("10:00", "11:30", "13:05");

// initalize

var lines = new Array

nl = "\n";

t1 = "\t";

t2 = "\t\t";

i = 0;

function print2doc(){

// head the schedule

lines[0] = nameStation[i] +t1+ nameStation[++i] +t1+ nameStation[++i] +t1+ nameStation[++i] +t1+ nameStation[++i]+nl

//v = sumTime(timeStart[1],timeDiff[4]); alert(v); return	// this for testing

// build the lines for printing

for (i=0; i<3; i++) {

lines[i+1] = timeStart[i] +t2+ sumTime(timeStart[i],timeDiff[1]) +t2+ sumTime(timeStart[i],timeDiff[2]) +t2+ sumTime(timeStart[i],timeDiff[3]) +t2+ sumTime(timeStart[i],timeDiff[4]) + nl;

}

text = '<b><i>'+lines[0]+'</i></b>' + lines[1] +lines[2] + lines[3]

//alert(text)

// make a window for train schedule

nw = window.open("","popWin","width=600,height=200")

// write to window

nw.document.open();

nw.document.write("<html>\n<body bgcolor='lightsteelblue'>\n<h2 align='center'>Train Schedule</h2>\n<pre>\n");

nw.document.write(text);

nw.document.write("</pre>\n</body>\n</html>");

nw.document.close();

}

function sumTime(startT,deltaT){	// add times

time1 = startT.split(":");

time2 = deltaT.split(":");

hours = time1[0]/1 + time2[0]/1;		// add hours

minutes = time1[1]/1 + time2[1]/1;		// add minutes

if (minutes >=180) { hours++; minutes = minutes - 60; }		// bump hours if needed

if (minutes >=120) { hours++; minutes = minutes - 60; }		// bump hours if needed

if (minutes >= 60) { hours++; minutes = minutes % 60; }		// bump again if needed

if (minutes < 10) minutes = "0" + minutes;					// add padding if required

time3 = hours +":"+ minutes

//alert(time3)

return time3	// return the total as a string

}

// End -->

</script>

</HEAD>

<form>

</form>

</div>

<font face="arial, helvetica" size"-2">Free JavaScripts provided<br>

by <a href="http://javascriptsource.com">The JavaScript Source</a></font>

</center><p>

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