大约有 15,000 项符合查询结果(耗时:0.0361秒) [XML]
How to close current tab in a browser window?
...
You will need Javascript to do this. Use window.close():
close();
Note: the current tab is implied. This is equivalent:
window.close();
or you can specify a different window.
So:
function close_window() {
if (confirm("Close Window?")...
Pad a number with leading zeros in JavaScript [duplicate]
... str = padString + str;
return str;
}
Now test:
var str = "5";
alert(str.lpad("0", 4)); //result "0005"
var str = "10"; // note this is string type
alert(str.lpad("0", 4)); //result "0010"
DEMO
In ECMAScript 8 , we have new method padStart and padEnd which has below syntax.
"string"...
How to delay the .keyup() handler until the user stops typing?
...(function (e) {
console.log('Time elapsed!', this.value);
}, 500));
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<label for="input">Try it:
<input id="input" type="text" placeholder="Type something here..."/>
</label>
...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
I need to check a JavaScript array to see if there are any duplicate values. What's the easiest way to do this? I just need to find what the duplicated values are - I don't actually need their indexes or how many times they are duplicated.
...
Understanding the difference between Object.create() and new SomeFunction()
I recently stumbled upon the Object.create() method in JavaScript, and am trying to deduce how it is different from creating a new instance of an object with new SomeFunction() , and when you would want to use one over the other.
...
Appending to an object
I have an object that holds alerts and some information about them:
13 Answers
13
...
RadioButton单选按钮扩展集合 · App Inventor 2 中文网
...列在HorizontalArrangement中。
运行效果展示:
开发者模式
运行时主题=Classic
运行时主题=Default
2. AppyBuilder RadioButtons
开发者: AppyBuilder
来源: [现有扩展库]
...
How to get the browser language using JavaScript [duplicate]
...
Try this script to get your browser language
<script type="text/javascript">
var userLang = navigator.language || navigator.userLanguage;
alert ("The language is: " + userLang);
</script>
Cheers
...
Detecting that the browser has no mouse and is touch-only
...tectMouse = function(e){
if (e.type === 'mousedown') {
alert('Mouse interaction!');
}
else if (e.type === 'touchstart') {
alert('Touch interaction!');
}
// remove event bindings, so it only runs once
$body.off('mousedown touchst...
how to implement a pop up dialog box in iOS
After a calculation, I want to display a pop up or alert box conveying a message to the user. Does anyone know where I can find more information about this?
...
