$(this) returns a cached version of the element, hence improving performance since jQuery doesn't have to do a complete lookup in the DOM of the ... ... <看更多>

jQuery 中已經把 this 包裝好變成指向本身元素的寫法，變得相當方便，但在原生寫法就要看狀況而定了。 首先可以看到SCSS 有加上一段是預備讓JS 動態新 ... ... <看更多>

$('a').each(function(index, value){. console.log($(this).attr('href'));. }); //outputs: every links href element on your web page. ... <看更多>

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You can wrap your javascript inside a self-invoking function, then pass jQuery as an argument to it, using $ as the local variable name. For example: ... <看更多>