SOURCE

var but = document.getElementsByTagName("button")[0]
		var list = document.getElementById("list")
		var min = document.getElementById("min")
		var max = document.getElementById("max")

		var arr = []

		for(var i = 0; i < list.children.length; i++) {
			arr.push(list.children[i])
		}
		but.onclick = function() {
			//获取input的值
			var minx = Number(min.value);
			var maxx = Number(max.value) === 0 ?Infinity :Number(max.value)
			console.log(minx)
			var showData = arr.filter(function(el, index) {
				console.log(el)
				return minx <= el.innerText && el.innerText <= maxx

			})
			console.log(showData)
			list.innerHTML = ''
			for(var i = 0; i < showData.length; i++) {
				list.appendChild(showData[i])
			}

		}

价格: <input id="min" type="number" min="0"/> ~ <input id="max" type="number" min="0"/>
<button>查找</button>
<ul id="list">
    <ul>532</ul>
    <ul>125</ul>
    <ul>323</ul>
    <ul>123</ul>
    <ul>343</ul>
    <ul>546</ul>
    <ul>454</ul>
    <ul>656</ul>
    <ul>122</ul>
    <ul>545</ul>
</ul>