Author: Techie

How to stop an event propagation in javascript?

You can stop the event propagation by doing this – 

function stopEventPropagation(event) {

if (event.stopPropagation) {
event.stopPropagation();   // W3C model
} else {
event.cancelBubble = true; // IE model
}

}

How to get XML string in javascript?

Here is the function:

function getXmlString(xmlDoc) {
try {
return ((new XMLSerializer()).serializeToString(xmlDoc));
}
catch (e) {
try {
// Internet Explorer.
return (xmlDoc.xml);
}
catch (e) {
//Strange Browser ??
return (‘Xmlserializer not supported’);
}
}
}

How to apply xml to xslt in javascript?

Here is the function:

 

function transFormXml(xmlData, xsltData) {
try {
try {
return xmlData.transformNode(xsltData);
}
catch (e) {
var xsltProcessor = new XSLTProcessor();
xsltProcessor.importStylesheet(xsltData);
return getXmlString(xsltProcessor.transformToFragment(xmlData, document));
}
} catch (e)
{ alert(e); }

return null;
}

How to get time zone offset in javascript?

Here is the function:

 

function getTimeZoneOffset() {
var currentDate = new Date();
var date1 = new Date(currentDate.getFullYear(), 0, 1, 0, 0, 0, 0);
var temp = date1.toGMTString();
var date3 = new Date(temp.substring(0, temp.lastIndexOf(” “)));
var hoursDiffStdTime = ((date1 – date3) / (1000 * 60 * 60)) * 60;
return hoursDiffStdTime;
}

And if you want to get the offset with daylight saving then look at the below function:

 

function getTimeZoneOffsetDayLightSaving() {
var currentDate = new Date();
var date2 = new Date(currentDate.getFullYear(), 6, 1, 0, 0, 0, 0);
var temp = date2.toGMTString();
var date4 = new Date(temp.substring(0, temp.lastIndexOf(” “)));
var hoursDiffDaylightTime = ((date2 – date4) / (1000 * 60 * 60)) * 60;

return hoursDiffDaylightTime;
}

How to allow numbers, dot and comma in a text box in Javascript?

Here is the function:

 

function valid(field) {
var re = /\d*\.\,/;
if (!re.test(field.value)) {
alert(“Only numbers, dot and comma are allowed!”);
}

}