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Web ECMAScript

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Web ECMAScript

This page is for documenting the differences between the ES5 draft and the requirements for ECMAScript implementations in web browsers.

15.5.4 Properties of the String Prototype Object

Several extra methods are found on String.prototype for wrapping text in HTML elements (these are all generic; the this value need not be a String object):

Algorithm ToHTMLTag(tag_name, content, attribute_name, attribute_value): if attribute_name is undefined return "<" + tag_name + ">" + content + "</" + tag_name + ">" otherwise return "<" + tag_name + " " + attribute_name "=" "\"" + attribute_value + "\"" ">" + content + "</" + tag_name + ">"

String.prototype.anchor(name)

1. Let content be ToString(this) 2. Let n be ToString(name) 3. Return ToHTMLTag("a", content, "name", n)

String.prototype.big()

1. Let content be ToString(this) 2. Return ToHTMLTag("big", content)

String.prototype.blink()

1. Let content be ToString(this) 2. Return ToHTMLTag("blink", content)

String.prototype.bold()

1. Let content be ToString(this) 2. Return ToHTMLTag("bold", content)

String.prototype.fixed()

1. Let content be ToString(this) 2. Return ToHTMLTag("tt", content)

String.prototype.fontcolor(color)

1. Let content be ToString(this) 2. Let attribute_value be ToString(color) 3. Return ToHTMLTag("font", content, "color", attribute_value)

String.prototype.fontsize(size)

1. Let content be ToString(this) 2. Let attribute_value be ToString(size) 3. Return ToHTMLTag("font", content, "size", attribute_value)

String.prototype.italics()

1. Let content be ToString(this) 2. Return ToHTMLTag("i", content)

String.prototype.link

1. Let content be ToString(this) 2. Let attribute_value be ToString(href) 3. Return ToHTMLTag("a", content, "href", attribute_value)

String.prototype.small()

1. Let content be ToString(this) 2. Return ToHTMLTag("small", content)

String.prototype.strike()

1. Let content be ToString(this) 2. Return ToHTMLTag("strike", content)

String.prototype.sub()

1. Let content be ToString(this) 2. Return ToHTMLTag("sub", content)

String.prototype.sup()

1. Let content be ToString(this) 2. Return ToHTMLTag("sup", content)