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Check whether HTML element has scrollbars
... = !!el[direction];
el[direction] = 0;
}
return result;
}
alert('vertical? ' + hasScroll(document.body, 'vertical'));
alert('horizontal? ' + hasScroll(document.body, 'horizontal'));
I believe there's a different property for IE, so I'll update in a minute with that.
EDIT: Appears...
How can I find the length of a number?
...have to make the number to string in order to take length
var num = 123;
alert((num + "").length);
or
alert(num.toString().length);
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The “unexpected ++” error in jslint [duplicate]
... its operand when used together with the same (+ or -).
var i = 0, j = 0;
alert(i++ +j);
This adds i and j (and increments i as a side effect) resulting in 0 being alerted.
But what is someone comes along and moves the space?
var i = 0, j = 0;
alert(i+ ++j);
Now this first increments j, and t...
JavaScript Form Submit - Confirm or Cancel Submission Dialog Box
For a simple form with an alert that asks if fields were filled out correctly, I need a function that does this:
6 Answers
...
Extract a number from a string (JavaScript)
...teristic:561613213213";
var numb = txt.match(/\d/g);
numb = numb.join("");
alert (numb);
result
1234561613213213
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How can I change the color of AlertDialog title and the color of the line under it
I changed the color of an AlertDialog title using this command
14 Answers
14
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How to implement a custom AlertDialog View
In the Android docs on AlertDialog , it gives the following instruction and example for setting a custom view in an AlertDialog:
...
What is the non-jQuery equivalent of '$(document).ready()'?
...ady.js"></script>
<script>
domReady(function(event) {
alert("dom is ready!");
});
</script>
You can also change the context in which the callback runs by passing a second argument
function init(event) {
alert("check the console");
this.log(event);
}
domReady(init...
How do you find out the caller function in JavaScript?
...
function Hello()
{
alert("caller is " + Hello.caller);
}
Note that this feature is non-standard, from Function.caller:
Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing t...
JavaScript validation for empty input field
...b == null || b == "", c == null || c == "", d == null || d == "") {
alert("Please Fill All Required Field");
return false;
}
}
</script>
<form method="post" name="Form" onsubmit="return validateForm()" action="">
<textarea cols="30" rows="2" name="answer_a...