writeln(properties[i] + ': ' + another_stooge[properties[i]]); } 删除 // 删除 another_stooge nickname 属性,从而暴露出原型的 nickname 属性。 delete another_stooge.nickname; 减少全局变量污染 由于JS没有链接器,所有的编译单元都载入一个公共全局对象中。我们可以为你的应用只创建一个唯一的全局...
document.writeln(a.name + " " + a.content); } 然而你也许会注意到,重复用同一个文章ID调用此函数,需要与服务器之间进行反复且无益的通信。想要解决这个问题,可以考虑使用函数 getArticleWithCache(),它相当于一个带有缓存能力的getArticle()。在这个例子中,getArticle()返回的数据只是作为一个全局变量被保存...
write() Writes HTML expressions or JavaScript code to a document Document writeln() Same as write(), but adds a newline character after each statement Document yield Pauses and resumes a generator function OperatorsJavaScript TutorialVisit Our JavaScript Tutorial »❮...
// object with a get_status method and a private // status property. var quo = function (status) { return { get_status: function ( ) { return status; } }; }; // Make an instance of quo. var myQuo = quo("amazed"); document.writeln(myQuo.get_status( )); 1. 2. 3. 4. 5...
91.document.write()不换行的输出,document.writeln()换行输出 92.document.body.noWrap=true;防止链接文字折行. 93.变量名.charAt(第几位),取该变量的第几位的字符. 94."abc".charCodeAt(第几个),返回第几个字符的ASCii码值. 95.字符串连接:string.concat(string2),或用+=进行连接 ...
document.writeln("" + n + ": " + myHashtable[n] + ""); } } The result will be name: Carl Hollywood city: Anytown An object is a referenceable container of name/value pairs. The names are strings (or other elements such as numbers that are converted to strings). The values...
writeln(names[i] + ':' + blanks.substring(names[i].length), result[i]); } Which outputs: url: http://www.ora.com:80/goodparts?q#fragment scheme: http slash: // host: www.ora.com port: 80 path: goodparts query: q hash: fragment I also love the explanations Crockford gives ...
81.anchors The anchors property is a read only property which lists all the "a" tag with name attribute in the document. 82.baseURI It is used to return the base Uniform Resource Identifier (URI) of the document. 83.length This method returns the number of tokens in a token list. ...
writeln() This method provides the functionality to write HTML or JavaScript expressions directly to a document. It adds a newline character after each statement. 2. write() This method provides the functionality to write HTML or JavaScript expressions directly to a document. 3. hasFocus() ...
document.writeln(myQuo.get_status( )); // confused Functions that are intended to be used with thenewprefix are calledconstructors. By convention, they are kept in variables with a capitalized name. If a constructor is called without thenewprefix, very bad things can happen without a compile...