코드 정리 도와주실분 계신가요?

// 수정전

<input type="range" id="min_input" tabindex="0" value="600000" max="2000000" min="1000" step="1000" oninput="
                    this.value=Math.min(this.value,this.parentNode.childNodes[5].value-1);
                    var value=(100/(parseInt(this.max)-parseInt(this.min)))*parseInt(this.value)-(100/(parseInt(this.max)-parseInt(this.min)))*parseInt(this.min);
                    var children = this.parentNode.childNodes[1].childNodes;
                    children[1].style.width=value+'%';
                    children[5].style.left=value+'%';
                    children[7].style.left=value+'%';children[11].style.left=value+'%';
                    children[11].childNodes[1].innerHTML=numberWithCommas(this.value);" />

                    <input type="range" id="max_input" tabindex="0" value="1200000" max="2000000" min="1000" step="1000" oninput="
                    this.value=Math.max(this.value,this.parentNode.childNodes[3].value-(-1));
                    var value=(100/(parseInt(this.max)-parseInt(this.min)))*parseInt(this.value)-(100/(parseInt(this.max)-parseInt(this.min)))*parseInt(this.min);
                    var children = this.parentNode.childNodes[1].childNodes;
                    children[3].style.width=(100-value)+'%';
                    children[5].style.right=(100-value)+'%';
                    children[9].style.left=value+'%';children[13].style.left=value+'%';
                    children[13].childNodes[1].innerHTML=numberWithCommas(this.value);" />

 

 

 

// 수정후

 

<input type="range" id="min_input" tabindex="0" value="600000" max="2000000" min="1000" step="1000" oninput="rangeOne()" />

 

<script>
    function rangeOne() {
        this.value=Math.min(this.value,this.parentNode.childNodes[5].value-1);
                    var value=(100/(parseInt(this.max)-parseInt(this.min)))*parseInt(this.value)-(100/(parseInt(this.max)-parseInt(this.min)))*parseInt(this.min);
                    var children = this.parentNode.childNodes[1].childNodes;
                    children[1].style.width=value+'%';
                    children[5].style.left=value+'%';
                    children[7].style.left=value+'%';children[11].style.left=value+'%';
                    children[11].childNodes[1].innerHTML=numberWithCommas(this.value);
    }
</script>