!DOCTYPE html>表明该html文档支持html5()
举一反三
- 在HTML中,下面( )对HTML文档的头标记描述正确。 A: <;!DOCTYPE html5>; B: <;!DOCTYPE html>; C: <;!doctype html5>; D: <;doctype html5>;
- HTML5 的正确 doctype 是( )。 A: <;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">; B: <;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 5.0//EN" "http://www.w3.org/TR/html5/strict.dtd">; C: <;!DOCTYPE HTML5>; D: <;!DOCTYPE html>;
- HTML5 的正确 doctype 是( ) A: <;!DOCTYPE html>; B: <;!DOCTYPE html5>; C: <;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 5.0//EN" "http://www.w3.org/TR/html5/strict.dtd">; D: <;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 5.0//EN" "http://www.w3.org/TR/html/strict.dtd">;
- <!DOCTYPE html>是HTML5文档类型之一()
- HTML5的正确doctype是()? A: <;!DOCTYPE html>; B: <;!DOCTYPE HTML5>; C: <;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 5.0//EN" "http://www.w3.org/TR/html5/strict.dtd">;