stop web browser going to website when javascript called

Hi hope you can help:

i need a command from when someone clicks a button it sends a parameter added to url. I have managed the adding parameter and i can send to url but it sends the browser window to the url: i really what it to stay on page

code i have is

window.location.href  = "http://localhost:1323/api/1/voip?staff_pin="+ number.text() +"&action=checkout"; 

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this works but it does take the browser window away for index.html:   need it just to send/post the url

Thanks in advance

James
LVL 31
James MurrellProduct SpecialistAsked:
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Dave BaldwinFixer of ProblemsCommented:
You have to use AJAX for that.  No version of 'window.location' will do that.  Tutorial here: http://www.w3schools.com/ajax/default.asp
0
James MurrellProduct SpecialistAuthor Commented:
thanks i had looked there but did not fully get it

i think i need http://www.w3schools.com/ajax/ajax_xmlhttprequest_send.asp but could not make it work
0
James MurrellProduct SpecialistAuthor Commented:
i tried

			xmlhttp.open("GET","http://localhost:1323/api/1/voip?staff_pin="+ number.text() +"&action=checkout",true);
			xmlhttp.send();

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but it did not work
0
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Dave BaldwinFixer of ProblemsCommented:
No, it's not that simple.  You need the whole example as shown on this page:  http://www.w3schools.com/ajax/tryit.asp?filename=tryajax_first  You just don't need the 'myDiv' div and button though you may keep the 'myDiv' at first to display your test response because there is Always some response.
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Rainer JeschorCommented:
Hi,
if you need to support various browsers (and versions e.g. IE8) I would suggest to use here the jQuery library, as this will wrap and support nearly all browsers (with version 1.11.x).
http://jquery.com/
e.g.
$.get("http://localhost:1323/api/1/voip?staff_pin="+ number.text() +"&action=checkout", function( data ) {
  if (window.console) console.log("Response was " + data );
});

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Just my 2ct.

Rainer
0
James MurrellProduct SpecialistAuthor Commented:
hi thanks for this but it must be my lack of programming..... i just dont get it....

cannot post all code: but here is what i can

/* ==========================================================================
   main.js
   ========================================================================== */
var $j = jQuery.noConflict();

$j(function(){

    var dials = $j(".dials ol li");
    var index;
    var number = $j(".number");
    var total;
	var pinLength = 4;
	var xmlhttp;
	

    dials.click(function(){
		
		index = dials.index(this);
		
		if (number.text().length == pinLength && index < 10)
		{
			alert("***************");
			return;
		}
	
		if (number.text().length < pinLength && (index == 10 || index == 11))
		{
			alert("**************************************");
			return;
		} 
		
		if(index == 9){

            number.append("0");
                    )else if(index == 11){
			
			
			if(confirm("Please confirm you wish to check Out"))
			//alert("check Out" +number.text() +"Test getting number");
			window.location.href  = "http://localhost:1323/api/1/voip?staff_pin="+ number.text() +"&action=checkout"; 

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Dave BaldwinFixer of ProblemsCommented:
I didn't realize you were using jQuery.  It has it's own version of AJAX.  See http://api.jquery.com/jQuery.ajax/ but you may also want to "Request Attention" above.  I rarely use jQuery.

In any case, it will not be as simple as "window.location.href" because that will always do what you are seeing now.
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Rainer JeschorCommented:
Hi,
OK, you are already using jQuery - excellent.
Then the following should work:
	/* ==========================================================================
   main.js
   ========================================================================== */
var $j = jQuery.noConflict();

$j(function(){

    var dials = $j(".dials ol li");
    var index;
    var number = $j(".number");
    var total;
	var pinLength = 4;
	var xmlhttp;
	

    dials.click(function(){
		
		index = dials.index(this);
		
		if (number.text().length == pinLength && index < 10)
		{
			alert("***************");
			return;
		}
	
		if (number.text().length < pinLength && (index == 10 || index == 11))
		{
			alert("**************************************");
			return;
		} 
		
		if(index == 9){

            number.append("0");
                    )else if(index == 11){
			
			
			if(confirm("Please confirm you wish to check Out")) {
				//alert("check Out" +number.text() +"Test getting number");
				//window.location.href  = "http://localhost:1323/api/1/voip?staff_pin="+ number.text() +"&action=checkout"; 
				$j.get("http://localhost:1323/api/1/voip?staff_pin="+ number.text() +"&action=checkout", function( data ) {
					if (window.console) console.log("Response was " + data );
					alert('Request should be sent');
				});
			}
   ...

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I added both an alert as well as a console.log, so that you can see the response.

HTH
Rainer
0

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