题目内容
_______method is a handy helper for working with JSON directly if you don’t require much extra configuration
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______ stands for JavaScript Object Notation
_______loops over a set of matched elements and calls a function for each one(jquery)_______loops over a set of matched elements and calls a function for each one(Javascript)
________search within a given element to find elements that match a selector expression
______Reduce the set of matched elements to those that match the selector or pass the function's test
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