Javascript 基礎教程之函數(shù)帶參數(shù)
函數(shù)帶有參數(shù)
語法:
function sum(參數(shù)1,參數(shù)2){
????函數(shù)代碼;
}
注:根據(jù)伙伴們本身的需求,參數(shù)不是固定帶2個的,一個也可以,3個也可以
下面我們來寫一個帶參數(shù)的函數(shù)的實例,代碼如下:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>函數(shù)</title> <script type="text/javascript"> function sum(a,b){ var c= a+b; document.write(c); } sum(3,5); </script> </head> <body> </body> </html>
這樣我們函數(shù)的代碼就會比較簡潔
下面我們在寫一個實例:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>函數(shù)</title> <script type="text/javascript"> function sum(a,b){ var c= a+b; document.write(c); } sum("歡迎來到","php中文網(wǎng)"); </script> </head> <body> </body> </html>