Download Bubble Gum and Hula Hoops: The Origins of Objects in Our by Harry Oliver PDF

By Harry Oliver

The attention-grabbing and humorous origins of daily objects-bliss for background hounds, language fanatics and minutiae buffs.

during this pleasant quantity, Harry Oliver unearths the main strange and unforeseen tales at the back of the loved ones prerequisites, toys, universal gadgets, technological advances, and daily goods all of us take without any consideration. Who hasn't questioned:

?Whether Thomas Crapper fairly invented the bathroom

?What twist of fate resulted in the discovery of the microwave

?Why it took approximately two decades for somebody to ultimately choose to slice bread

?How laziness ended in the discovery of the dishwasher

?Which discovery made the milkshake attainable

?Which king's fancy for his mistress encouraged the 1st elevator

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Additional info for Bubble Gum and Hula Hoops: The Origins of Objects in Our Everyday Lives

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Filter(function) Parameters (first version) • selector: A string containing a selector expression to match elements against Parameters (second version) • function: A function used as a test for each element in the set [ 42 ] Chapter 3 Return value The new jQuery object. filter() method constructs a new jQuery object from a subset of the matching elements. The supplied selector is tested against each element; all elements matching the selector will be included in the result. css('background-color', 'red'); The result of this call is a red background for the items 1, 3, and 5, as they match the selector.

Even basic tasks like iteration are simplified by jQuery. each(function(index) { // ... each() method seen here steps through the matched elements in turn, performing the enclosed code on all of them. In this case, the method helps us to collect all of the headings on the page so that we can assemble a complete table of contents. More helper functions like this can be found in Chapter 8, Miscellaneous Methods. A number of additional pieces of information are provided by jQuery as properties of its objects.

The built-in effect methods are described in Chapter 6, Effect Methods, as is the way to create new ones. [ 14 ] Chapter 1 AJAX methods Many modern web sites employ techniques to load content when requested without a page refresh; jQuery allows us to accomplish this with ease. The AJAX methods initiate these content requests and allow us to monitor their progress. load() method allows us to get another HTML document from the server and insert it in the current document, all with one line of code.

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