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Try-finally block prevents StackOverflowError
... Nice, even if I try to make the stack as small as possible via -Xss, I get a depth of [150 - 210], so 2^n ends up being a [47 - 65] digits number. Not going to wait that long, that is near enough to infinity for me.
– ninjalj
Sep 15 '12 at 17:05
...
Android Calling JavaScript functions in WebView
...ntion. This call: final Object a = new Object(); callJavaScript(mBrowser, "alert", 1, true, "abc", a); will yield to SyntaxError with Unexpected token which is not surprising when you will look at the generated js call: javascript:try{alert(,,'abc',,)}catch(error){console.error(error.message);}
...
JavaScript private methods
...e function
function setFName(pfname) {
fName = pfname;
alert('setFName called');
}
//Privileged function
this.setLName = function (plName, pfname) {
lName = plName; //Has access to private variables
setFName(pfname); //Has access to private function
...
Browser detection in JavaScript? [duplicate]
...n use simply say:
if (bowser.msie && bowser.version <= 6) {
alert('Hello IE');
} else if (bowser.firefox){
alert('Hello Foxy');
} else if (bowser.chrome){
alert('Hello Chrome');
} else if (bowser.safari){
alert('Hello Safari');
} else if(bowser.iphone || bowser.android){
alert...
How to easily truncate an array with JavaScript?
...shown below.
var stooges = ["Moe", "Larry", "Shemp"];
stooges.length = 5;
alert(typeof stooges[4]); // alerts "undefined"
EDIT:
As @twhitehead mentioned below, the addition of undefined elements can be avoided by doing this:
var stooges = ["Moe", "Larry", "Shemp"];
stooges.length = Math.min(sto...
jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
...ithin strings. However, during his discussion of JSON in Appendix E of JavaScript: The Good Parts, he writes:
JSON's design goals were to be minimal, portable, textual, and a subset of JavaScript. The less we need to agree on in order to interoperate, the more easily we can interoperate.
So pe...
Can you write nested functions in JavaScript?
...an treat functions like any other kind of object.
var foo = function () { alert('default function'); }
function pickAFunction(a_or_b) {
var funcs = {
a: function () {
alert('a');
},
b: function () {
alert('b');
}
};
foo = funcs[a_...
RGB to hex and hex to RGB
...urn "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}
alert(rgbToHex(0, 51, 255)); // #0033ff
Converting the other way:
function hexToRgb(hex) {
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16...
How and why does 'a'['toUpperCase']() in JavaScript work?
...
foo.bar and foo['bar'] are equal so the code you posted is the same as
alert('a'.toUpperCase())
When using foo[bar] (note tha lack of quotes) you do not use the literal name bar but whatever value the variable bar contains. So using the foo[] notation instead of foo. allows you to use a dynami...
What does = +_ mean in JavaScript
...how use of =+ to convert a string into int.
example:
y = +'5'
x = y +5
alert(x);
outputs 10
use: So here y is int 5 because of =+
otherwise:
y = '5'
x = y +5
alert(x);
outputs 55
Where as _ is a variable.
_ = + '5'
x = _ + 5
alert(x)
outputs 10
Additionally,
It would be interesting...