Editing decoding html entities This edit will create a new revision. Your details (optional) Name Email (won’t be displayed; might be used for Gravatar) URL Test case details Title * Published (uncheck if you want to fiddle around before making the page public) Description (in case you feel further explanation is needed)(Markdown syntax is allowed) Compares blindly using the DOM to convert HTML entities to strings, vs checking first for presence of & and ; Since I will be using this on strings of varying length (some quite long) I am using an exaggerated example to test worst-case scenarios. Are you a spammer? (just answer the question) Preparation code Preparation code HTML (this will be inserted in the <body> of a valid HTML5 document in standards mode) (useful when testing DOM operations or including libraries) Include JavaScript libraries as follows: <script src="//cdn.ext/library.js"></script> Define setup for all tests (variables, functions, arrays or other objects that will be used in the tests) (runs before each clocked test loop, outside of the timed code region) (e.g. define local test variables, reset global variables, clear canvas, etc.) (see FAQ) var base_string = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed eu ante orci. Morbi a quam pulvinar mi facilisis commodo imperdiet eu justo. Suspendisse metus dui, luctus vel convallis quis, interdum ut diam. Cras neque erat, commodo eu pretium in, fermentum at erat. Suspendisse lorem metus, pellentesque id sodales ut, pellentesque non nulla. Nunc placerat sem eget augue congue placerat ullamcorper magna dapibus. Quisque nec leo non mauris suscipit sagittis. Curabitur at orci tellus. &."; var string_with_entities = base_string + " © 2013 Awesome Sauce Productions ™" var span, converted; Define teardown for all tests (runs after each clocked test loop, outside of the timed code region) (see FAQ) Code snippets to compare Test 1 Title Async (check if this is an asynchronous test) Code span = document.createElement("span"); span.innerHTML = base_string; converted = span.firstChild.nodeValue; Test 2 Title Async (check if this is an asynchronous test) Code span = document.createElement("span"); span.innerHTML = string_with_entities; converted = span.firstChild.nodeValue; Test 3 Title Async (check if this is an asynchronous test) Code if (base_string.indexOf("&") > -1) { span = document.createElement("span"); span.innerHTML = base_string; converted = span.firstChild.nodeValue; } else { converted = base_string; } Test 4 Title Async (check if this is an asynchronous test) Code if (string_with_entities.indexOf("&") > -1) { span = document.createElement("span"); span.innerHTML = string_with_entities; converted = span.firstChild.nodeValue; } else { converted = string_with_entities; } Test 5 Title Async (check if this is an asynchronous test) Code if (base_string.indexOf("&") > -1 && base_string.indexOf(";") > -1) { span = document.createElement("span"); span.innerHTML = base_string; converted = span.firstChild.nodeValue; } else { converted = base_string; } Test 6 Title Async (check if this is an asynchronous test) Code if (string_with_entities.indexOf("&") > -1 && string_with_entities.indexOf(";") > -1) { span = document.createElement("span"); span.innerHTML = string_with_entities; converted = span.firstChild.nodeValue; } else { converted = string_with_entities; }