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This article mainly introduces "how to get id attribute node object in javascript", in daily operation, I believe many people in javascript how to get id attribute node object problem has doubts, small make up consult all kinds of information, sort out simple and easy to use operation method, hope to answer "how to get id attribute node object in javascript" doubts helpful! Next, please follow the small series to learn together!

getElementById

DOM provides a method called getElementById that returns a node object with its id attribute. Please be careful when using case sensitivity.

It is a function specific to the document object and can only be invoked through it. The methods used are as follows:

document.getElementById ('demo ') //demo is the ID of the element

This method is compatible with mainstream browsers, even IE6+, and can be used boldly.

What are the characteristics of JavaScript 1. JS is an interpreted scripting language;

2. With the support of most browsers, JS can run on multiple platforms and has cross-platform features;

3. JS is a weakly typed scripting language, which does not have strict requirements for the data types used, and can perform type conversion, which is simple and easy to use;

4, JS language security is high, only through the browser to achieve information browsing or dynamic interaction, thus effectively preventing the loss of data;

Object-based scripting language, JS can not only create objects, but also use existing objects.

At this point, on the "javascript how to get id attribute node object" learning is over, I hope to solve everyone's doubts. Theory and practice can better match to help you learn, go and try it! If you want to continue learning more relevant knowledge, please continue to pay attention to the website, Xiaobian will continue to strive to bring more practical articles for everyone!

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