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We use an external API whcih returns '' or boolean false while Javascript seems to find the both equal. for example:
var x = ''; if (!x) { alert(x); // the alert box is shown - empty } if (x=='') { alert(x); // the alert box is shown here too - empty ...
Started by Saggi Malachi on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
So:
0 == "0" //true 0 === "0" //false, since both the value and the type....
Use the triple equal
if (x===false) //false as expected if (z==='') //false as expected
A double equal will do type casting, while triple equal will not.
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In Firefox 3.5, I type this in the Firebug console :
false=={} // => evals to false {}==false // syntax error
What is the explanation for this ?
Started by subtenante on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
But now the parser is looking for the next statement:
==false
Huh? That's not a statement; syntax....
That's fine.
That's why the following work OK:
({} == false); alert({} == false); !{} == false in it.
Curly brace ( { ).
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Hello All,
Nagios seems to be sending false alerts about few hosts, (ex: There were no users on one host and still Nagios was reporting a critical alert and says 6 users are logged in. How do I fix this one?
Also, I have installed nagios and added 12 ...
Started by lovesaikrishna on
, 5 posts
by 3 people.
Answer Snippets (Read the full thread at unix):
What and how are....
Without knowing the details of the script or method you're using to monitor your hosts it'd be almost impossible to provide a useful answer .
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Ask your Facebook Friends
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Hi i check the blank field in the form and alert the user. but when alert the user it posts the data i couldnt return false not to refresh the page
$('#loginAccount').submit(function() { $(this).find(':input:text') .each(function(i) { if($(this).val()...
Started by dexamel on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
()=="") { isValid = false; //alert($('label').eq(i).html()) $('#alert3').html('Please fill all fields()=="") { //alert($('label').eq(i).html()) $('#alert3').html('Please fill all fields.'); result = falseYou need to return false....
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I got surprised when comparing the following cases:
button = document.getElementById("addSugerenciaButton"); if (button != null) { button.onclick = "post_to_url('" + addSugerenciaURL + "', idBuzon', '" + id + "');"; } button = document.getElementById(...
Started by Juan Carlos Blanco MartÃnez on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
You should use) { element.addEventListener('click', handler, false); } else if (el.attachEvent) { element.attachEvent('onclick', handler.
Event within an HTML element is through element.onclick = "alert('Example');"; ,
Wrong.
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<form method="post" action="/Order/CheckOut/" onSubmit="return Validate()">
and then...
function Validate() { alert($("#email").val()); return false; }
The messed up part is when I take out the alert it works fine, the submit fails, but when I put...
Started by Ryan on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Function() { alert($("#email").val()); return false; });
Why not wrap it in a try block?
function Validate() { try { alert($("#email").val()); } catch (e) { alert("Problem: " + e); } return false){ e.preventDefault....
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Buy 4 bogo $1.49=$2.98
I B3g1 free = $1.49
1 .85/3 Target mfr .I.P..=.64/4=.16 per
Started by suboys64 on
, 8 posts
by 3 people.
Answer Snippets (Read the full thread at lefora):
\Mods please mark false went today the bogo are only.
Country inn rice are bogo in my ad not ready they are only 5.3 Thinking not a match as well .
If it's the wrong coupon.mods please mark false alert.
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I don't understand why the test in jQuery's parseJSON function:
/^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@") .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]") .replace(/(?:^|:|,)(?:\s*\[...
Started by Priednis on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Running this code:
var json = '{"TermTitle":"some Title"}'; var obj = $.parseJSON(json); alert('obj fails?
Edit (response to posted code): Why are you doing the functionality of your 3rd and 4th alert? I would guess that that is changing....
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Work on ASP.net C# vs 05.
To Preventing Duplicate Record Insertion on Page Refresh. Under the button event i wrote below code
Response.Redirect(Request.Url.ToString(), false);
i also used a javascript alert under this event ,after use the above code alert...
Started by HelloBD on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Look for it on pageload and inject alert javascript"], "success")) { string s =....
Try{ Response.Redirect(Request.Url.ToString(), false); }catch(e){ alert(e.message); }
Alert dialog something to query string when redirecting.
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Every once in a while when I throw the jeep in "R", the parking sensor will immediately chim off even if there is nothing within 20 yards of it. Other times itll just beep randomly when in R. Anyone had a similar experience or know of a fix?
Started by rglax on
, 7 posts
by 6 people.
Answer Snippets (Read the full thread at cherokeesrt8):
Is your rear strip chrome....
No issues with rain as of yet.
Jim I swear they just do it for fun sometimes too!!
mine only really act up when snow/ice freezes on the bumper.. .
They will do that if there is rain, frost or basically any type of moisture on them .
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