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JavaScript: Get image dimensions
...ta("http://www.google.hr/images/srpr/logo3w.png").done(function(test){
alert(test.w + ' ' + test.h);
});
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How to get the title of HTML page with JavaScript?
... HTML5 version ;) <script>if (typeof(console.log) === "function") {alert(document.title);}</script>
– OregonTrail
Jun 12 '13 at 22:11
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How to check if the URL contains a given string?
...tion() {
if (window.location.href.indexOf("franky") > -1) {
alert("your url contains the name franky");
}
});
</script>
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How do I programmatically click a link with javascript?
...
Simply like that :
<a id="myLink" onclick="alert('link click');">LINK 1</a>
<a id="myLink2" onclick="document.getElementById('myLink').click()">Click link 1</a>
or at page load :
<body onload="document.getElementById('myLink').click()">
...
Is there an equivalent for var_dump (PHP) in Javascript?
... for (var i in obj) {
out += i + ": " + obj[i] + "\n";
}
alert(out);
// or, if you wanted to avoid alerts...
var pre = document.createElement('pre');
pre.innerHTML = out;
document.body.appendChild(pre)
}
I'd recommend against alerting each individual property: s...
Commonly accepted best practices around code organization in JavaScript [closed]
...e is a class called DimScreen. (Assume this dims the screen and pops up an alert box.) It needs a div element that it can enlarge to cover the screen, and then add an alert box, so I pass in a jQuery object. jQuery has a plug-in concept, but it seemed limiting (e.g. instances are not persistent and ...
Get value from hidden field using jQuery
...t type="hidden" value="" id='h_v' class='h_v'> Using jQuery I want to alert the user to this value .
7 Answers
...
HTTP Content-Type Header and JSON
...ray or object. If you want to see all the data, use console.log instead of alert:
alert(response.text); // Will alert "[object Object]" string
console.log(response.text); // Will log all data objects
If you want to alert the original JSON content as a string, then add single quotation marks ('):
...
Execute JavaScript code stored as a string
...
You can execute it using a function. Example:
var theInstructions = "alert('Hello World'); var x = 100";
var F=new Function (theInstructions);
return(F());
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Why is null an object and what's the difference between null and undefined?
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The difference can be summarized into this snippet:
alert(typeof(null)); // object
alert(typeof(undefined)); // undefined
alert(null !== undefined) //true
alert(null == undefined) //true
Checking
object == null is different to check if ( !object ).
The latter is equ...