js命名规则

2,限制文本框的输入内容

txtQty.keydown(function (event) {
var keyCode = event.which;
if (keyCode == 46 || keyCode == 8 || keyCode == 190 || (keyCode > 48 && keyCode <= 57) || (keyCode > 96 && keyCode <= 105) || keyCode == 110) {
return true;
} else { return false }
}).focus(function () {
this.style.imeMode = 'disabled';
});