J's Study log

Node.js use 'require()' function to call module. require('path of directory') For example, let's say there are two files called 'num.js' and 'sum.js'. //num.js var n = 10; //sum.js console.log(n); When you execute this sum.js the error will be occured. Because in scope of sum.js, 'num1' and 'num2' is not defined. So let's use 'require()' to call num.js module. //sum.js var num = require('../num...

URL : http://exampleurl.com:126/main?id=HTML&page=3 protocol : which way of internet to follow [http : HyperText Transfer Protocol] host : Computer which is connected to internet port : Web basically use port number '80' as default value path : means which directory's which file of the computer query string : passes informations such as what is which page to show, always starts with '?' and valu..

Attribute Attribute is used if tag have lack of information. For example, tag is used for putting an image in the page. HTML Hello HTML Let's start! Here comes an image Can't find out the image tag doesn't work, because there's no information about which image to call. So 'attribute' is used in this kind of situation, and by adding it expression of 'html' got more affluent. Put downloaded image ..

Frequency of tags usage https://www.advancedwebranking.com/html/ Tag is like the Alphabet of html. : shows that this file is made as a html file ..... : title of html file (title have high priority in search engine) : explaination about main text ..... : main text of html file ..... : text between tag describes WEB page, so cover list1 list2 list3 HTML Hypertext Markup Language (HTML) is the sta..