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  • 2.4.javascript字符串型

    <!DOCTYPE HTML>
    <html lang="en-US">
    <head>
    <meta charset="UTF-8">
    <title>字符串类型</title>
    </head>
    <body>
    <script type="text/javascript">
    //<![DATA[
    /*字符串连接
    -----------------------------------
    var str = "Hello ";
    str += "World" + "<br/>";
    str += "I like Javascript";
    document.write( str );
    -----------------------------------
    */



    /*字符串转义字符
    -----------------------------------
    var str = "Hello World\n\tI like \nJavascript ";
    document.write( "<h1 style=\"font-family:Times;\">" + str + "</h1>" );
    document.write( '<h1 style="font-family:Times;">' + str + '</h1>' );
    -----------------------------------
    */

    /*字符串属性方法
    -----------------------------------

    -----------------------------------
    */
    var str = "Hello";//字面量
    var strObj = new String("Hello");
    var strObjRef = strObj;

    //alert(str == strObj);
    /*
    if(str.constructor == String && strObj.constructor == String ){
    document.write("字符串类型");
    }
    */
    document.write( str.length );

    //]]>
    </script>
    </body>
    </html>



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  • 原文地址:https://www.cnblogs.com/xiaozhanga4/p/2396066.html
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