Article Introduction: implement innertext properties for Firefox. A lot of code written and forgot to write, very wasteful, so decided to develop the habit of making notes. Knowledge Points: 0, why should innertext? Because of security.
Tips//Web pages are retrieved There are some of the following property values: The property value is "All": The file will be retrieved and the link on the page can be queried; The property value is "None": The file is not retrieved and the link on
Article Introduction: The first two chapters talk about getting DOM elements. This chapter begins with how to manipulate the DOM. 1. The operation of the DOM element on the page is simply to manipulate the style of the DOM element. If this DOM
Article Introduction: Finally, I can spare some time for another tutorial. There's no more nonsense to say. Today this article teaches everybody a commonly used effect. Fixed center effect. In fact, this should not be included in the JS Tutorial
Article Introduction: The summary is to use the call method of the object posing mechanism to crawl the attributes of the parent class, while the member method should be written into the prototype domain shared by all object instances to prevent
Article Introduction: The main purpose of our null reference here is to say that if we define a variable that will be used to store the object in the future, then we'd better initialize the variable to null, so as long as it detects null value to
1. Object posing asObject impersonation is to execute the constructor of the parent class by using this of the subclass in the subclass to impersonate the parent class. This obtains the properties and methods of the parent class, but this way only