get first 5 characters of string javascript

JavaScript all things in are objects: strings, numbers, arrays, functions ... In addition, JavaScript allows custom objects to be customized.JavaScript objectsJavaScript provides multiple built-in objects, such as String, Date, Array, and so on.

The history of JSIn the 1995 of the last century, Netscape was the most famous first generation Internet company in the Web era with its navigator browser.Because Netscape wanted to be able to add some dynamic effects to the static HTML page, it was

Java entry (5) -- String/string class, entry String In the previous example, there was a String example. Some friends certainly didn't know what to do. In fact, the String class is a special class in Java, namely the String class. It is not one of

In-depth exploration of JavaScript String objects This article gives you a detailed introduction to the String object in javascript, the definition method, instance attributes, and instance methods. It is very detailed and comprehensive. I would

JavaScript provides functions to find substrings in strings indexof (), LastIndexOf (), search (), and replacement functions for strings replace (), which are not implemented in array object array. In order for array to support the above method,

1th Chapter Essence Some of the features of JavaScript feature a lot more trouble than they are worth. Some of these features are because the specification is so imperfect that it can cause portability problems; Some features can lead to the

String objects provide many methods, but few programmers make full use of them, which is a defect for a programmer. The methods provided by the string can be used to operate characters, generate HTML tags, and search strings. The following describes

In many cases, when submitting data to the database. it will be verified with javascript first. for example, the length of a Chinese javascript is 1. however, the database occupies two bytes. errors-prone JavaScript strings are string objects. You

From: http://student.csdn.net/space.php? Uid = 45106 & Do = Blog & view = me Chapter 2 Some of the essential JavaScript features bring much more trouble than they do. Some of these features may cause portability problems due to imperfect

Deep Learning of JavaScript objects and deep learning of javascript In JavaScript, all objects except the five primitive types (numbers, strings, Boolean values, null, and undefined) are objects. Therefore, I don't know how to continue learning