global knowledge ccie

a P before the semicolon to define a variable while defining the struct. Another method is the anonymous struct, which can only define variables at one time, because it cannot be reused in the future. (4) struct array. It is defined and initialized in batches when struct variables are defined. For example, struct person P [3] = {{},{},{}};. But it is rarely used. Struct Arrays can only be initialized when they are defined. (5) The struct is the same as the array. Variables cannot be defined f

modified in JavaScript scripts. This property has 2 values---"On" and "off". When the property is specified as "on", the page is editable and is specified as "off" when the page is not editable.All elements of the hidden property in HTML5 allow a hidden property, similar to a hidden element in the input element, to inform the browser not to render the element, leaving the element invisible, but the contents of the element are still created by the browser, That is, after the page is loaded, it i

1, undeclared variables are assigned, this variable is the global variable of the Window object allConsole.log (a); A is not defineda=10Console.log (a); 10 equivalent to Console.log (WINDOW.A)function Test () {var a = b = 123; }Test ();Console.log (b) //123 Console.log (a) //a is not defined2. All declared variables are properties of the Window object.var aaa=111;var bbb=222;var ccc=333;Equivalent to window{aaa:111,bbb:222,ccc:333}3, pre-compi

can arbitrarily define a global variable anywhere. Small application seems very convenient, code into scale, after splitting the file, it is finished. Compiler regardless, we can tube.Two different ways:1. All written together, such as the top of the program, good management.2. Write a container of global variables and throw all the global variables in when you