htmlheadtitleTest $$/titlescript src="prototype.js"/scriptscriptfunction test$$(){ /**//* in case CSS is not your forte, the expression below says 'find all the INPUT elements that are inside elements with class=field that are inside a DIV with id equal to loginForm.' */ var f = $$('div#loginForm .field input'); var s = ''; for(var i=0; if.length; i++){ s += f[i].value + '/'; } alert(s); // shows: "joedoe1/secret/" //now passing more than one expression f = $$('div#loginForm .field input', 'div#loginForm .fieldName'); s = ''; for(var i=0; if.length; i++){ s += ( f[i].value ? f[i].value : f[i].innerHTML ) + '/'; } alert(s); //shows: "joedoe1/secret/User name:/Password:/"var temp=$$('div#loginForm .field'); alert(temp.innerHTML);}function testtoColorPart(){var num=new Number(50); alert(num.toColorPart()); }(本文来源于图老师网站,更多请访问http://m.tulaoshi.com/webkaifa/)
/script
div id='loginForm' div class='field' span class='fieldName'User name:/span input type='text' id='txtName' value='joedoe1'/ /div div class='field' span class='fieldName'Password:/span input type='password' id='txtPass' value='secret' / /div input type='submit' value='login' //divinput type=button value='test $$()' onclick='test$$();' /input type=button value='testtoColorPart' onclick='testtoColorPart();' //body/html(本文来源于图老师网站,更多请访问http://m.tulaoshi.com/webkaifa/)