Javascript: basic operation of string object (string), javascriptstring

Javascript: basic operation of string object (string), javascriptstring

This article code from w3school: http://www.w3school.com.cn

1. Get the length of the string:

var s = "Hello world";document.write("length:"+s.length);

2. Add various styles to the string, such:

var txt = "Some words";document.write("<p>Big: " + txt.big() + "</p>")document.write("<p>Small: " + txt.small() + "</p>")document.write("<p>Bold: " + txt.bold() + "</p>")document.write("<p>Italic: " + txt.italics() + "</p>")document.write("<p>Blink: " + txt.blink() + " (does not work in IE)</p>")document.write("<p>Fixed: " + txt.fixed() + "</p>")document.write("<p>Strike: " + txt.strike() + "</p>")document.write("<p>Fontcolor: " + txt.fontcolor("Red") + "</p>")document.write("<p>Fontsize: " + txt.fontsize(16) + "</p>")document.write("<p>Link: " + txt.link("http://www.w3school.com.cn") + "</p>")

3. Obtain the first appearance position of some content in the string:

var hw_text = "Hello world";document.write(hw_text.indexOf("Hello")+"<br/>");document.write(hw_text.indexOf("world")+"<br/>");document.write(hw_text.indexOf("abc")+"<br/>");

4. Content replacement:

var str="Visit Microsoft!"document.write(str.replace(/Microsoft/,"W3School"))

:

Sample Code:

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">