JS array elements to add and delete has been more puzzled, today finally found the details of the information, first to give me the test code-^ var arr = new Array (); Arr = "AAA"; ARR = "BBB"; ARR = "CCC"; alert
Example one: View Demo Download source code The settimeout () method is used to call a function or evaluate an expression after a specified number of milliseconds, while SetInterval () invokes the function or expression at the specified number of
Overview The JSON format is now becoming more and more important in web development, especially in the process of using AJAX development projects, which often involves returning JSON-formatted strings to the front end and parsing the front end into
Variable  Definition: A variable amount, which is equivalent to a nickname for an indefinite number of data. A variable is a container for storing information. attribute: The variables in JS are loosely typed and can hold any type of data. It'