JavaScriptµÄ·½·¨ºÍ¼¼ÇÉ
JavaScriptµÄ·½·¨ºÍ¼¼ÇÉ ÊÕ²Ø
ÓÐЩʱºòÄ㾫ͨһÃÅÓïÑÔ£¬µ«ÊǻᷢÏÖÄãÆäʵÕûÌìÔÚºÍÆäËüÓïÑÔ´ò½»µÀ£¬Ò²ÐíÄãÒÔΪÕâЩ΢²»×ãµÀ£¬²»ÖÁÓÚÓ°ÏìÄãµÄ¿ª·¢½ø¶È£¬µ«Ç¡Ç¡ÊÇÕâЩÄã²»ÖØÊӵĶ«Î÷»áÀË·Ñ ÄãºÜ¶àʱ¼ä£¬ÎÒÒ»Ö±ÒÔΪÎÒÔçÔÚ¼¸Äêǰ¾ÍÒѾ¾«Í¨JavaScriptÁË£¬Ö±µ½Ä¿Ç°£¬ÎÒ²ÅÔ½À´Ô½¾õµÃJavaScriptÔ¶±ÈÎÒÏëÏóµÄ¸´ÔÓºÍÇ¿´ó£¬ÎÒ¿ªÊ¼³ç °ÝËü£¬
³Ã׎ÚÈյĿÕ϶£¬°ÑÓйØJavaScriptµÄ·½·¨ºÍ¼¼ÇÉÕûÀíÏ£¬ÈÃÿ¸öÔÚΪJavaScript¶ø·³ÄÕµÄÈËÃ÷°×£¬JavaScript¾ÍÕâô»ØÊ£¡²¢Ï£ÍûJavaScript»¹¿ÉÒÔ³ÉΪÄãµÄÅóÓÑ£¬ÈÃÄã»íÈ»¿ªÀÊ£¬ÔÚÏîÄ¿ÖиüºÃµÄÓ¦Óá«
ÊʺÏÔĶÁ·¶Î§£º¶ÔJavaScriptÒ»ÎÞËùÖª¡«À뾫ֻͨ²îÒ»²½Ö®Ò£µÄÈË
»ù´¡ÖªÊ¶£ºHTML
JavaScript¾ÍÕâô»ØÊÂ1£º»ù´¡ÖªÊ¶
1 ´´½¨½Å±¾¿é
1: <script language=”JavaScript”>
2: JavaScript code goes here
3: </script>
2 Òþ²Ø½Å±¾´úÂë
1: <script language=”JavaScript”>
2: <!--
3: document.write(“Hello”);
4: // -->
5: </script>
ÔÚ²»Ö§³ÖJavaScriptµÄä¯ÀÀÆ÷Öн«²»Ö´ÐÐÏà¹Ø´úÂë
3 ä¯ÀÀÆ÷²»Ö§³ÖµÄʱºòÏÔʾ
1: <noscript>
2: Hello to the non-JavaScript browser.
3: </noscript>
4 Á´½ÓÍⲿ½Å±¾Îļþ
1: <script language=”JavaScript” src="/”filename.js"”></script>
5 ×¢Êͽű¾
1: // This is a comment
2: document.write(“Hello”); // This is a comment
3: /*
4: All of this
5: is a comment
6: */
6 Êä³öµ½ä¯ÀÀÆ÷
1: document.write(“<strong>Hello</strong>”);
7 ¶¨Òå±äÁ¿
1: var myVariable = “some value”;
8 ×Ö·û´®Ïà¼Ó
1: var myString = “String1” + “String2”;
9 ×Ö·û´®ËÑË÷
1: <script language=”JavaScript”>
2: <!--
3: var myVariable = “Hello there”;
4: var therePlace = myVariable.search(“there”);
5: document.write(therePlace);
6: // -->
7: </script>
10 ×Ö·û´®Ìæ»»
1: thisVar.replace(“Monday”,”Friday”);
11 ¸ñʽ»¯×Ö´®
1: <script language=”JavaScript”>
2: <!--
3: var myVariable = “Hello there”;
4: docum
Ïà¹ØÎĵµ£º
ÒÔÏÂÊÇjavaScriptÖеÄStringʹÓ÷½·¨£º
String Àà Attribute and method
anchor() ´´½¨Ò»¸ö<a>±êÇ©µÄʵÀý£¬½«ÆänameÊôÐÔÉèÖÃΪ±»´«µÝ¸ø´Ë·½·¨µÄ×Ö·û´®
big() & ......
×î½üÔÚÍøÉϲéÔÄÁ˲»ÉÙJavascript±Õ°ü(closure)Ïà¹ØµÄ×ÊÁÏ£¬Ð´µÄ´ó¶àÊǷdz£µÄѧÊõºÍרҵ¡£¶ÔÓÚ³õѧÕßÀ´Ëµ±ð˵Àí½â±Õ°üÁË£¬¾ÍÁ¬ÎÄ×ÖÐðÊö¶¼ºÜÄÑ¿´¶®¡£×«Ð´´ËÎĵÄÄ¿µÄ¾ÍÊÇÓÃ×îͨË×µÄÎÄ×Ö½Ò¿ªJavascript±Õ°üµÄÕæÊµÃæÄ¿¡£
¡¡¡¡Ò»¡¢Ê²Ã´ÊDZհü£¿
¡¡¡¡“¹Ù·½”µÄ½âÊÍÊÇ£ºËùν“±Õ°ü”£¬Ö¸µÄÊÇÒ»¸öÓµÓÐÐ ......
˵Ã÷£º
appendChild()
ÎÒ²âÊԵĽá¹û£º
1 appendChild() ±í¸ñÖÐËùÓÐÐÐÑ»·ÉÏÒÆÒ»ÐÐºó£¬ ÓÃеģ¨ÐУ©Ìæ»»ÁË ±í¸ñµÄÄ©ÐÐ £»Ï൱ÓÚÌæ»»Á˱í¸ñµÄµÚÒ»ÐУ¬²¢Ñ»·ÉÏÒÆÒ»ÐÐ
2 ²»¸Ä±ä ±í¸ñµÄ×Ü ÐÐÊý
insertRow()
1 insertRow() ÔÚ±í¸ñÖвåÈëÒ»ÐУ¬±í¸ñ×ÜÐÐÊéÔöÒ»
2 insertRow(index) index=0 , ÔÚ±íÍ·Ôö¼Ó£¬ index=-1, ÔÚ± ......
javascript ÊÇÒ»ÖÖÇø·Ö´óСдµÄ³ÌÐòÓïÑÔ.
¶¨ÒåÊý×é:
var strweek= new Array(7);
Îʺűí´ïʽ
var i= (condition)?A:B;
Ï൱ÓÚif-else Óï¾ä;condition ³ÉÁ¢ Ö´ÐÐA £¬²»³ÉÁ¢Ö´ÐÐB;
switch Óï¾ä
var i=3;
var result="";
swithck(i);
{
case 1;
result="First";
case 2;
result="Second";
ca ......