layui_modules

layui.config({
   base:'/js/layui_modules/'
}).extend({
   numberInput:'numberInput/numberInput'
});

<input type="text" class="layui-input" number-input>
layui.use('numberInput',function () {
   var numberInput = layui.numberInput;
   numberInput.render();
});
//忽略渲染
<input type="text" class="layui-input" number-input lay-ignore>
//设置数字限制
<input type="text" class="layui-input" number-input min="0" max="3">
//设置数字增加/减少步长
<input type="text" class="layui-input" number-input step="0.01">
//渲染指定元素
<input type="text" class="layui-input" id="test">
layui.use('numberInput',function () {
   var numberInput = layui.numberInput;
   numberInput.render({elem:'#test'});
});