javascript alert document forms length

Because each form has different detection items, so I cannot give you 10 thousandCode. You need to build your own detection functions using these elements described in this chapter. I have another example later. You can also refer to it. In this

Because each form has different detection items, I cannot give you 10 thousand code. You need to build your own detection functions using these elements described in this chapter. I have another example later. You can also refer to it. In this

In many cases, document. forms [0] And getElementByName have no difference in usage. This article details the differences and usage of the two. If you are interested, refer to them. First, let's look at an example: The Code is as follows: When

Difference between document. forms [0] And getElementByName in JavaScript, getelementbyid First, let's look at an example: Copy codeThe Code is as follows: testtest testtest testtest When document. forms [0] has one or more form forms in the HTML

Document directory 1.4. Javascript in other contexts 1.4. Javascript in other environments 1.5. processing Javascript 1.5. go deep into Javascript Statement: translation has only one purpose: learning purposes. If you have any copyright

Summary of little knowledge about JavaScript performance optimization, and javascript Performance Optimization With the development of the network, network speed and machine speed, more and more websites use a variety of client technologies. Ajax is

You cannot change document. location (because this is the location of the currently displayed document ). However, you can change window. location (Replace the current document with other documents) window. location itself is also an object, and

The document Object and window object of JavaScript are described in detail. Learn more about the common usage of JavaScript. [Document Object]This object is an attribute of the window and frames objects. It is a document displayed in a window or

Summary of basic JavaScript knowledge and common methods, basic javascript knowledge JAVASCRIPT is an indispensable part of AJAX technology. Therefore, it is most important to learn JAVASCRIPT well if you want to learn AJAX well and the popular AJAX

Javascript|window| Object | detailed [Document Object] This object is a property of the window and frames objects, and is a document that is displayed in a Windows or frame. Property Alinkcolor Active link color (ALINK)Anchor a HTMI anchor point,