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How to find keys of a hash?
I know in javascript Objects double as hashes but i have been unable to find a built in function to get the keys
9 Answers...
google chrome extension :: console.log() from background page?
If I call console.log('something'); from the popup page, or any script included off that it works fine.
11 Answers
...
best way to get the key of a key/value javascript object
...You would iterate inside the object with a for loop:
for(var i in foo){
alert(i); // alerts key
alert(foo[i]); //alerts key's value
}
Or
Object.keys(foo)
.forEach(function eachKey(key) {
alert(key); // alerts key
alert(foo[key]); // alerts value
});
...
Ajax tutorial for post and get [closed]
...ar menuId = $("ul.nav").first().attr("id");
var request = $.ajax({
url: "script.php",
type: "POST",
data: {id : menuId},
dataType: "html"
});
request.done(function(msg) {
$("#log").html( msg );
});
request.fail(function(jqXHR, textStatus) {
alert( "Request failed: " + textStatus );
});...
ATL COM开发入门（一）（JS调用ActiveX/COM组件） - C/C++ - 清泛网 - 专注C/C++及内核技术
...页进行测试：
<HTML>
<HEAD>
<TITLE>COM接口测试页</TITLE>
<script type="text/javascript">
function Test(){
var retStr = AtlDemoObj.ConcatStr(document.all.ipt1.value, document.all.ipt2.value);
alert(retStr);
}
</script>
</HEAD>
<BODY>
<object id="AtlDemoObj" classid="clsid:B0...
onsubmit阻止表单提交 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<script language="javascript">
//--->
function checksubmit()
{
if (document.form1.myname.value=="")
{
alert("请输入开始数值！");
document.form1.myname.focus();
return ...
Do something if screen width is less than 960 px
... screen width is less than 960 pixels? The code below always fires the 2nd alert, regardless of my window size:
10 Answers...
Presenting a UIAlertController properly on an iPad using iOS 8
With iOS 8.0, Apple introduced UIAlertController to replace UIActionSheet . Unfortunately, Apple didn't add any information on how to present it. I found an entry about it on hayaGeek's blog, however, it doesn't seem to work on iPad. The view is totally misplaced:
...
How can I get the ID of an element using jQuery?
...ument).ready(function() {
console.log($('#test').attr('id'));
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="test"></div>
Or through the DOM:
$('#test').get(0).id;
or even :
$('#test')[0].id;
and reaso...
Find out whether radio button is checked with JQuery?
...('#element').click(function() {
if($('#radio_button').is(':checked')) { alert("it's checked"); }
});
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