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How do I break a string across more than one line of code in JavaScript?
...
In your example, you can break the string into two pieces:
alert ( "Please Select file"
+ " to delete");
Or, when it's a string, as in your case, you can use a backslash as @Gumbo suggested:
alert ( "Please Select file\
to delete");
Note that this backslash approach is not nec...
Can we call the function written in one JavaScript in another JS file?
...een loaded before the first use of the function.
I.e.
File1.js
function alertNumber(number) {
alert(number);
}
File2.js
function alertOne() {
alertNumber("one");
}
HTML
<head>
....
<script src="File1.js" type="text/javascript"></script>
<script src="Fi...
jquery, domain, get URL
...
You don't need jQuery for this, as simple javascript will suffice:
alert(document.domain);
See it in action:
console.log("Output;");
console.log(location.hostname);
console.log(document.domain);
alert(window.location.hostname)
console.log("document.URL : "+document.URL);
cons...
Web-scraping JavaScript page with Python
... retries exceeded with url: / (Caused by SSLError(SSLError(1, '[SSL: TLSV1_ALERT_INTERNAL_ERROR] tlsv1 alert internal error (_ssl.c:1045)')))
– HuckIt
Apr 23 '19 at 16:01
...
javascript function leading bang ! syntax
...rse.
Edit: How about something crazy like delete?
delete function() {
alert("Hi!");
}();
or void?
void function() {
alert("Hi!");
}();
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...
Jquery bind double click and single click separately
...t John Strickler's answer did not quite do what I was expecting. Once the alert is triggered by a second click within the two-second window, every subsequent click triggers another alert until you wait two seconds before clicking again. So with John's code, a triple click acts as two double clicks...
ES6 class variable alternatives
... return this.constructor.MY_CONST;
}
constructor() {
alert(this.MY_CONST === this.constructor.MY_CONST);
}
}
alert(MyClass.MY_CONST);
new MyClass
// alert: string ; true
But if MY_CONST is reference type like static get MY_CONST() {return ['string'];} alert output is str...
Check if a key exists inside a json object
...(("merchant_id" in thisSession)==false)
{
// do nothing.
}
else
{
alert("yeah");
}
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/in
http://www.w3schools.com/jsref/jsref_operators.asp
...
How can I detect if a selector returns null?
...
if ( $("#anid").length ) {
alert("element(s) found")
}
else {
alert("nothing found")
}
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