var dragDiv =document.getElementById('box'); var Tdot =document.getElementById('box').getElementsByClassName('boxL'); var Ldot =document.getElementById('box').getElementsByClassName('boxL'); var Rdot =document.getElementById('box').getElementsByClassName('boxR'); var Bdot =document.getElementById('box').getElementsByClassName('boxB'); var LTdot =document.getElementById('box').getElementsByClassName('boxLT'); var RTdot =document.getElementById('box').getElementsByClassName('boxRT'); var LBdot =document.getElementById('box').getElementsByClassName('boxLB'); var RBdot =document.getElementById('box').getElementsByClassName('boxRB'); var preH = parent.offsetHeight; var preW = parent.offsetWidth; var preL = parent.offsetLeft; var preT = parent.offsetTop; var mouseOffsetX =0; var mouseOffsetY =0; var isDraging = false ; function resize(dragDiv,handle){ //鼠标按下事件; //var a =parseInt(handle) //console.log(a); var a =handle.splice('') console.log(a); handle.onmousedown=function(e){ var e = e;我是设定一个div4角4边共8个点作为事柄handle，但是在后来遇到一个问题，就是这个handle 无法触发事件，用console.log查了下，得到8个数组[div.xxx] xxx是我每个点的classname，请问怎么把handle 转变成可以触发事件的事柄？？我用parseInt打印出来是NAN..求大神帮忙
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