Pop-up An Alert That Says Hello World ?
Jan 3, 2010
I have a bit of coding that is keeping me up at nights because of it's damn stubborness. All I want to do is pop-up an Alert that says Hello World.
I'm new to coding period so I'm writing verbatim dummies javascript book examples.
Here is the code for the script:
Okay I've done this code , and variations and only have ended up with the same message in firefox "syntax error""quirks mode".In IE 8 I get messages to cryptic to understand.
So what gives? Where is my error in syntax?The code makes sense to me, and I'm following XHTML conventions.:
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Feb 14, 2011
I hope this is relatively simple. I've looked around for the answer, but I thin think the search terms (update onchange event) are a bit too common...
document.getElementById("tester").innerHTML= "hello";
document.getElementById("tester").onmouseover = "alert('hello')";
You see I'm trying to change an event like I'd change a property. The first will change the text to hello. I'd like the second to change the onmouseover event to display a hello world alert... but it doesn't seem to do anything.
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Feb 26, 2010
Just trying to display a javascript alert and for some reason the browser is just displaying the code
I have put the following into a file called test.js but it is just displaying all thie code in the browser - see [url]
I am sure this is something really basic. I have tried this in Firefox and IE
Code:
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Jun 22, 2010
How I would output the day as well in this
[url] world clock example?
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Jun 14, 2006
This is an article discussion thread for discussing the SitePoint article, "The JavaScript Library World Cup"
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Dec 2, 2010
In this program my basic intention is that as soon as the page loads, an alertbox will be called displaying the ALT value of image.
<!DOCTYPE html PUBLIC
This is my test page.
It doesn't work. When i used plain javascript alert function in body tag with onload event, it worked well.
This (code) implementation just shows the text in strong tag and the image. There is no messagebox displaying the alt message. Please tell me where I'm wrong. I've already downloaded the jQuery library and it lies in the same folder as this code.
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Oct 21, 2011
heres my code:
Code:
<script language="JavaScript">
var checkobj
function agreesubmit(el){[code]....
i need to make it like if the button is clicked and there the agreement checkbox is not checked.. it should give an alert that the alert is not checked.. i know that would require a if and else statement but i cant figure out how to do it
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Sep 27, 2010
This article was just published on [URL].. As I read it this is about a new twist to an old issue. (see excerpts below) 1 - I thought JavaScript was in a "sandbox" and prevented inappropriate access to the local machine. Is this no longer true?
2 - More to the point: Can or are any modifications to JavaScript be done by the JavaScript development team... who ever that is (Oracle?)... to fix what ever JavaScript vulnerabilities are being exploited?
3 - Are there other defenses for the client machine other than those mentioned in the excerpt below? (Turn off JavaScript in their browsers, etc.) 4 - If there is no vigorous response to this by the JavaScript development team how can we continue to create apps with JavaScript as such will encourage people to simply turn off java script in their browsers and that will encourage other web developers to simply not use JavaScript on their sites.
5 - Is Oracle the "owner" or "keeper" of javascript? I looked on the Oracle Forums and saw no forum for javascript. If not Oracle who is addressing issues like these?
Article Excerpts: More recently still, the spammers started embedding the JavaScript inside the HTML file (rather than as a simple file attachment), to spread the horrible Zeus banking Trojan.
"So yes, a seemingly innocent HTML email attachment can do plenty of damage, and while quite stealthy, definitely not harmless," concludes Barracuda Labs' researcher, Dave Michmerhuizen. The only defenses against this sort of attack are either for it to be filtered at the gateway so it never reaches the user, or for the user to disable JavaScript in their browser. Security software on the PC might catch the exploit.End Excerpt.
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Nov 13, 2010
i am facing a problem after using jquery jconfirm alert. Issue is that after receiving confirm alert, when user press tab to go on Cancel button and press Enter key there, despite of firing event of Cancel button, it fires the event of OK button. this issue is not produced when user press the cancel button by mouse. Waiting for your replies.
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Feb 16, 2011
I am trying to throw an alert with the attributes of a submit button in the alert.
What am I doing wrong?
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Jun 10, 2010
jquery code:
$.ajax({
url: "validate_livestock_form/index/",
type: 'POST',
dataType: "json",
data: form_data,
success: function(data) {
alert(data);
[Code]...
php page is echoing out:{"species":"Please select a species!"} I double checked the response from the php and firebug shows the same. On success alert is not alerting the JSON data instead, I'm receiving [object Object]. Why is that and how do what should I do to fix this?
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Jul 10, 2009
I'm currently working on MySQL/PHP/JavaScript project using AJAX. I came across some weird abnormality .for some reason alert(textarea2); shows nothing but if I place another alert(textarea2); right after the first one it works, second pop-up contains responseText....also I've tried alert(resp.responseText); it worked fine,
new Ajax.Request("categories-inset.php",
{
method: 'get', [code]....
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Jul 23, 2005
How to write a function f(x) or f('x') so that it produces the same output
as a call to alert-function:
var x='abc'
alert('x='+x);
In testing one needs to write similar alert() calls often. By having a
function f(), which would add the variable name in front of the variable
value one would save a lot of typing during one's lifetime.
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Jul 23, 2005
Is there anything wrong with this syntax..I am generating javascript
code from "C" language.
unsigned char Buf="Test";
printf("alert("%s");
",Buf);
I am getting error "Unterminated string literal in the javascript
console
alert("Test
but i have terminated this string in my "c" code..?
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Oct 30, 2010
I am validating the value in a text area onBlur. If the value is not good the alert box comes up twice. Is there a way to correct this?
<html>
<head>
<meta http-equiv=Content-Type content="text/html; charset=ISO-8859-1">
<title>Untitled</title>
[Code].....
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Feb 20, 2009
i have a javascript in which i am trying to assign the value to a hidden field and getting the below msg'document.Form1.H_ROWID' is null or not an objecti am getting the value in the alert box but not able to assign it o teh controlalert("row " +M_ROWID)document.Form1.H_ROWID.value = M_ROWID
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Jul 23, 2005
I am trying to get an alert box with line breaks in it. I want to display a couple pieces of information, and want them broken up. I tried using to get a new line, but kept getting errors in my code.
alert("The combination you have selected: " + + "Background Color: " + color1 + + "Text Color: " + color2)
Of course color1 and color2 have been declared and defined, so I know there isn't an error there.
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Sep 12, 2005
How does one center text in an alert box? and how do you make the alert box
appear in the middle of the screen? I've seen it done, but my alerts have
text left justified, and the box is longer than i need.
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Oct 7, 2006
can anyone tell me why the second 'alert()' is not executed here?
The first 'alert()' pops up (so I know I am inside the 'if'), but not the
second one, and orderNum is not set....
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Oct 24, 2007
I am using AJAX and coldfusion, and am having trouble getting some
alerts to work. I am using the http object in javascript:
var url="add_item.cfm"
oXmlHttpadditem=GetHttpObject(addStateChanged);
oXmlHttpadditem.open("GET",url,true);
oXmlHttpadditem.send(null);
then, in add_item.cfm, I am just using:
<script type="text/javascript">window.alert("Hello World
");</script>
but the alert isn't being displayed. I assume this has to do with
client-side/server-side issues, but can someone please clarify why
this doesn't work, and perhaps offer a fix or alternative solution?
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Jul 20, 2005
Is there a way to modify the font in the alert & prompts windows?
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Mar 9, 2010
I have been working on this for a month now as an exercise (I am a beginner) and I am still having problems. Every time I get a user to fully validate all information I keep getting an empty alert box. Why is it showing up empty and not with a total amount? Im 95% sure my code is correct.
Code:
<html>
<head>
<script language="javascript" type="text/javascript">
//function to show province
[Code].....
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Jan 27, 2009
I am using BBcodes and want to allow the client to enter their image url into an alert box.
Exactly as it is done in this forum ;)
[URL]
is this using a javascript alert box or a pop up window? How do I put the input box into it ?
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Apr 11, 2010
How can i call a javascript alert function from an if condition in PHP?
For instance:
if (A == B)
{
CALL alert();
}
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Nov 1, 2011
I need to alert the answer 31 but keep getting 34. It has to go like this ticket*reward+cost. It would be 24+4+3=31. I would need to times the tickets by rewards then add the cost after. How would I alert this? code...
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Dec 13, 2006
I have the following code somewhat working:
function customerAdd(form){
if (form.email.value == ""){
var email = document.getElementById("email");
email.style.color = "red";
}
if(form.isActive[0].checked == false && form.isActive[1].checked == false){
var isActive = document.getElementById("isActive");
isActive.style.color = "red";
}
if(form.receiveEmails[0].checked == false && form.receiveEmails[1].checked == false){
var receiveEmails = document.getElementById("receiveEmails");
receiveEmails.style.color = "red";
}
if (form.salutation.value == "" || form.salutation.value == "- Please Select -"){
var salutation = document.getElementById("salutation");
salutation.style.color = "red";
}
return false;}
What I meant by somewhat working was that the code actually changes the color of the selected "id" when the fields are empty or have not been selected, but when all the required fields are selected the form doesn't do anything. I knwo it has to do with the return false;
How can I get this to work so that if the user doesn't fill out the required fields they would be highlighted and if everything is filled out the form will submit? I had the code working before with alert boxes, but I wanted to do something different with the way the validation worked rather than having the alert box pop up for each missed field.
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