//闭包(closure):内层函数可以引用存在于包围它的函数内的变量,即使外层函数的执行已经结束 //注意内层函数引用的外层函数内的变量是外层函数执行结束后的最终值 test(1); function test(a) { //外层函数 alert(a+' 外层函数开始执行'); setTimeout(function(){//内层函数 alert(a+' 虽然外层函数执行完毕,...
b) Describe what the algorithm prints in general te What is meant by the closure of a set of functional dependencies? Explain how arrays allow you to easily work with multiple values. Explain the relationship between the length an...