ignoreCase Whether or not to ignore case while attempting a match in a string.
input The string against which a regular expression_r is matched.
lastIndex The index at which to start the next match.
lastMatch The last matched characters.
lastParen The last parenthesized substring match, if any.
leftContext The substring preceding the most recent match.
multiline Whether or not to search in strings across multiple lines.
rightContext The substring following the most recent match.
source The text of the pattern.
方法:
compile Compiles a regular expression_r object.
exec Executes a search for a match in its string parameter.
test Tests for a match in its string parameter
8.Function
属性:
arguments An array corresponding to the arguments passed to a function.
arity Indicates the number of arguments expected by the function.
caller Specifies which function called the current function.
prototype Allows the addition of properties to a Function object.
方法:
toString Returns a string representing the specified object.
9.Object
属性:
constructor Specifies the function that creates an object's prototype.
prototype Allows the addition of properties to all objects.
方法:
uates a string of JavaScript code in the context of the specified object.
toString Returns a string representing the specified object.
unwatch Removes a watchpoint from a 属性源 the object.
valueOf Returns the primitive value of the specified object.
watch Adds a watchpoint to a 属性源 the object.
10.全局
属性:
Infinity 指定一个正负无穷大的数值
NaN 指定一个 “非数字” 值
undefined 指定一个未被赋值的变量
方法:
decodeURI() 为加密的URI进行解码
decodeURIComponent() 为加密的URI组件解码
encodeURI() 将字符串加密为URI
encodeURIComponent() 将字符串加密为URI组件
escape(string) 加密一个字符串
unescape() 使用escape()对一个字符串进行解码
(string) 判断一个字符串并将其以脚本代码的形式执行
isFinite(number) 检测一个值是否为一个有限数字,返回True或False
isNaN(string) 检测一个值是否不是一个有限数字
Number() 将一个对象的值转换为一个数字
parseFloat(string) 将一个字符串解析为一个浮点数字
parseInt(string) 将一个字符串解析为一个整数,不是四舍五入操作,而是切尾
String(object) 将一个对象值转换为一个字符串
number(object)
11.事件
属性:
a.窗口事件,只在body和frameset元素中才有效
onload 页面或图片加载完成时
onunload 用户离开页面时
b.表单元素事件,在表单元素中才有效
onchange 框内容改变时
onsubmit 点击提交按钮时
onreset 重新点击鼠标按键时
onselect 文本被选择时
onblur 元素失去焦点时
onfocus 当元素获取焦点时
