checknumber.js

来自「IBM提供的购物车」· JavaScript 代码 · 共 11 行

// checknumber.js

function checkNumber()
{
if ( !(((window.event.keyCode >= 48) && (window.event.keyCode <= 57)) 
|| (window.event.keyCode == 13) || (window.event.keyCode == 46) 
|| (window.event.keyCode == 45)))
{
window.event.keyCode = 0 ;
}
}