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Get div height with plain JavaScript
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jsFiddle
var element = document.getElementById('element');
alert(element.offsetHeight);
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How to get the element clicked (for the whole document)?
...following function to get the ID
<script>
function theFunction(e)
{ alert(e.target.id);}
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WAMP shows error 'MSVCR100.dll' is missing when install
When I tried to install WAMP , that popped up the following alert,
23 Answers
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Get selected text from a drop-down list (select box) using jQuery
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This works for me
$("#dropdownid").change(function() {
alert($(this).find("option:selected").text());
});
If the element created dynamically
$(document).on("change", "#dropdownid", function() {
alert($(this).find("option:selected").text());
});
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How to display loading message when an iFrame is loading?
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$('iframe').load(function(){
$(".loading").remove();
alert("iframe is done loading")
}).show();
<iframe src="http://www.google.com" style="display:none;" width="600" height="300"/>
<div class="loading" style="width:600px;height:300px;">iframe loading</div>
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return, return None, and no return at all?
... of the prisoners. If we don't find the prisoner with a knife, we raise an alert. This could be done in many different ways and using return is probably not even the best way, but it's just an example to show how to use return for exiting a function.
def find_prisoner_with_knife(prisoners):
for...
NSIS做的安装程序，可接受命令行参数，实现静默安装，静默卸载 - 更多技术 ...
NSIS做的安装程序，可接受命令行参数，实现静默安装，静默卸载命令参数 D=xxx 可以指定安装包的安装路径，覆盖安装包中设置的默认路径及注册表中默认路径。但是， D= 后面一定不能有引号（不能写成...命令参数 /D=xxx 可以指...
Detect the Enter key in a text input field
...n (e) {
if ($(".input1:focus") && (e.keyCode === 13)) {
alert('ya!')
}
});
Or just bind to the input itself
$('.input1').keyup(function (e) {
if (e.keyCode === 13) {
alert('ya!')
}
});
To figure out which keyCode you need, use the website http://keycode....
What's the difference between setWebViewClient vs. setWebChromeClient?
...s, favicons, titles, and the progress. Take a look of this example: Adding alert() support to a WebView
At first glance, there are too many differences WebViewClient & WebChromeClient. But, basically: if you are developing a WebView that won't require too many features but rendering HTML, you c...
Get checkbox value in jQuery
....is(':checked') (thanks @mgsloan)
$('#test').click(function() {
alert("Checkbox state (method 1) = " + $('#test').prop('checked'));
alert("Checkbox state (method 2) = " + $('#test').is(':checked'));
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min....