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“Single-page” JS websites and SEO
...ion(e){
e.preventDefault();
var name = this.model.get("name");
alert("Hello " + name);
},
render: function(){
// do some rendering here, for when this is just running JavaScript
}
});
$(function(){
var model = new MyModel();
var view = new FooView({
model: model,
...
Difference between .on('click') vs .click()
...ew</button>
<div id="container">
<button class="alert">alert!</button>
</div>
</html>
where we add new buttons via
$("button#add").click(function() {
var html = "<button class='alert'>Alert!</button>";
$("button.alert:last")....
How to create a JavaScript callback for knowing when an image is loaded?
...necessary:
var img = document.querySelector('img')
function loaded() {
alert('loaded')
}
if (img.complete) {
loaded()
} else {
img.addEventListener('load', loaded)
img.addEventListener('error', function() {
alert('error')
})
}
Source: http://www.html5rocks.com/en/tutorials/es6/p...
Escape quotes in JavaScript
...n passing a JavaScript string as a parameter to another JavaScript method (alert() is an easy test method for this).
I am referring you to the duplicate Stack Overflow question, How do I escape a string inside JavaScript code inside an onClick handler?.
...
Javascript infamous Loop issue? [duplicate]
...ou use the DOM node for information storage:
function linkListener() {
alert(this.i);
}
function addLinks () {
for(var i = 0; i < 5; ++i) {
var link = document.createElement('a');
link.appendChild(document.createTextNode('Link ' + i));
link.i = i;
link.onc...
Detect the Internet connection is offline?
...d approach is to retry the request a few times. If it doesn't go through, alert the user to check the connection, and fail gracefully.
Sidenote: To put the entire application in an "offline" state may lead to a lot of error-prone work of handling state.. wireless connections may come and go, etc. ...
FormData.append(“key”, “value”) is not working
...
@kiwicomb123 Formdata.entries() + Array.from() + alert() if it's modern enough, or look into mobile debugging
– Rudie
Dec 30 '16 at 8:14
...
How do I resolve a HTTP 414 “Request URI too long” error?
...atch (e) {
// Something went wrong
alert("Your browser broke!");
return false;
}
}
}
ajaxPOSTTestRequest.onreadystatechange = ajaxCalled_POSTTest;
var url = "ajaxPOST.php";
var pa...
How do you rename a MongoDB database?
...tance.
https://docs.mongodb.com/v4.0/reference/method/db.copyDatabase/
ALERT: Hey folks just be careful while copying the database, if you don't want to mess up the different collections under single database.
The following shows you how to rename
> show dbs;
testing
games
movies
To renam...
How to set time delay in javascript
...ned from above functions setTimeout and setInterval
Example:
setTimeout
alert("before setTimeout");
setTimeout(function(){
alert("I am setTimeout");
},1000); //delay is in milliseconds
alert("after setTimeout");
If you run the the above code you will see that it alerts before se...