javascript-patterns/function-patterns/callback.html at patch-1 · Hello71/javascript-patterns

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<!doctype html>

<head>

<title>JavaScript Patterns</title>

</head>

<body>

var findNodes = function (callback) {

var i = 100000,

nodes = [],

found;

// check if callback is callable

if (typeof callback !== "function") {

callback = false;

}

while (i) {

i -= 1;

// complex logic here...

// now callback:

if (callback) {

callback(found);

}

nodes.push(found);

}

return nodes;

};

// a callback function

var hide = function (node) {

node.style.display = "none";

};

// find the nodes and hide them as you go

findNodes(hide);

// reference

// http://www.jspatterns.com/

// http://shop.oreilly.com/product/9780596806767.do?sortby=publicationDate

</script>

</body>

</html>