109 lines
3 KiB
JavaScript
109 lines
3 KiB
JavaScript
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this.My = {};
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//@ My.REQUEST_TIMEOUT <number> Request timeout, in seconds
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My.REQUEST_TIMEOUT = 60;
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/*@
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My.MAGIC_CONSTANT <number> Magic constant needed for HTTP requests
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Please note that the value for `MAGIC_CONSTANT` is browser-dependent.
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*/
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My.MAGIC_CONSTANT = navigator.userAgent.length % 2 == 0 ? 23 : 42;
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/*@
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My.favorites <object> ...
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array <a> My favorite array
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boolean <b> My favorite boolean value
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date <d> My favorite date
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element <e> My favorite HTML element
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number <n> My favorite number
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object <o> My favorite object
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regexp <r> My favorite regular expression
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string <s> My favorite string
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*/
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My.favorites = {
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array: [],
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boolean: false,
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date: new Date(0);
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element: document.createElement('a'),
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number: 0,
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object: {},
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regexp: new RegExp(''),
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string: ''
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};
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/*@
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(url[, method], callback) -> <u> undefined
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url <s> URL
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method <s|'GET'> Request method ('GET', 'POST', 'PUT' or 'DELETE')
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callback <f> Callback function
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*/
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My.readURL = function(url, method, callback) {
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var request = new XMLHttpRequest();
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if (arguments.length == 2) {
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callback = method;
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method = 'GET';
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}
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request.open(method, url, true);
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req.onreadystatechange = function() {
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if (request.readyState == 4) {
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if (request.status == 200) {
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callback(request.responseText);
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} else {
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throw new Error(
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'Cannot get URL "' + url
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+ '" (Status: ' + request.status + ')'
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);
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}
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}
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};
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request.send();
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};
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/*@
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My.isOdd <f> Synchronously or asynchronously computes if a given number is odd
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(number) -> <b> True if the number is odd
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(number, callback) -> <u> undefined
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number <n> Any number
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callback <f> Callback function
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isOdd <b> True if the number is odd
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ms <n> Time it took to compute the result, in milliseconds
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*/
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My.isOdd = function(number, callback) {
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var time = +new Date, isOdd = !!(number % 2);
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if (callback) {
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callback(isOdd, +new Date - time);
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} else {
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return isOdd;
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}
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}
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/*
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Occasionally, you may write a function whose signature cannot be represented in
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`(required[, optional])` notation. For a range function — `(stop)` or `(start,
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stop)` or `(start, stop, step)` — the notation `([start, ]stop[, step])` would
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be ambigious, since you cannot call it with `(stop, step)`.
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*/
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/*@
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My.range <f> Returns a python-style range
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(b) -> <[n]> Integers from 0 (inclusive) to b (exclusive)
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(a, b) -> <[n]> Integers from a (inclusice) to b (exclusive)
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(a, b, x) -> <[n]> Numbers from a (inclusive) to b (exclusive), growing by x
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*/
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My.range = function() {
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var a = [];
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Ox.loop.apply(null, Ox.toArray(arguments).concat(function(i) {
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a.push(i);
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}));
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return a;
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};
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My.foo = {
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array: [
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{a: 1, b: 2},
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{c: 3, d: 4}
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],
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objects: {
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}
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}
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