D3 is data-driven but jQuery is not: with jQuery you directly manipulate elements, but with D3 you provide data and callbacks through D3’s unique data(), enter() and exit() methods and D3 manipulates elements. D3 is usually used for data visualization but jQuery is used for creating web apps. D3 has many data visualization extensions and … Read more
You can call .prop(“tagName”). Examples: jQuery(“<a>”).prop(“tagName”); //==> “A” jQuery(“<h1>”).prop(“tagName”); //==> “H1” jQuery(“<coolTagName999>”).prop(“tagName”); //==> “COOLTAGNAME999” If writing out .prop(“tagName”) is tedious, you can create a custom function like so: jQuery.fn.tagName = function() { return this.prop(“tagName”); }; Examples: jQuery(“<a>”).tagName(); //==> “A” jQuery(“<h1>”).tagName(); //==> “H1” jQuery(“<coolTagName999>”).tagName(); //==> “COOLTAGNAME999” Note that tag names are, by convention, returned CAPITALIZED. If … Read more
If you want to match only elements with both classes (an intersection, like a logical AND), just write the selectors together without spaces in between: $(‘.a.b’) The order is not relevant, so you can also swap the classes: $(‘.b.a’) So to match a div element that has an ID of a with classes b and … Read more