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which are contained in the array returned by the ChildNodes property.However, each node has a NodeType property. The NodeType attribute has a total of 12 desirable values, but only 3 of them have value: The NodeType attribute value of the element node is 1, the property node's NodeType property value is 2, and the NodeType property value of the text node is 3.If you want to change the value of a text node, use the NodeValue property provided by the DOM.Array element Childnodes[

Reading Notes of javascript advanced programming (4) reference type and reference type Chapter 5: reference types Object Type You can create an object instance in either of the following ways: 1. new Method Var person = new Object (); Person. name = "haozk "; Person. age = 24; 2. Representation of object literal Var person = { Name: "haozk ", Age: 24 } You can also enclose attributes with strings: Var perso

"The essence of javascript Language" Reading Notes 4: the essence of javascript LanguageChapter 7 Regular Expressions A regular expression is the most powerful character to process strings.Through the regular expression, we can easily perform various operations on the string. Here we will not summarize this chapter, and then make a special summary of the regular expression.Chapter 8 Method The '+' operator

collector completes the cleanup work, destroys those tagged values and reclaims the memory space they occupy; most browsers use this strategy;(4) A reference count, which keeps track of the number of times each value is referenced, when a variable is declared and a reference type value is assigned to the variable, the number of references plus 1, conversely, if the variable that contains the value refers to another value, the number of references to

operator delete if you do not do so, the program may occur with a hidden micro-time memory leak.When you declare placement new and placement Delete, make sure that you do not inadvertently obscure their normal version. Article 53: Don't overlook compiler warningsn Take the compiler's warning message seriously and try to win the honor without any warning at the highest warning level of your compiler.n do not rely too much on compiler alarm capabilities, because different compilers treat things d