js执行滑块验证码[通俗易懂]

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滑块验证码

function slide (id) {
    var slider    = document.getElementById(id),   // 获取滑块 
        container = slider.parentNode;       //  获取滑块的父类
	console.log(slider);   // <span id="nc_1_n1z" class="nc_iconfont btn_slide"></span>
    var rect = slider.getBoundingClientRect(),    // 获取滑块的 x y with height 等，见上图
        x0          = rect.x || rect.left,
        y0          = rect.y || rect.top,
        w           = container.getBoundingClientRect().width,   //  获取滑动槽的长度
        x1          = x0 + w, 
        y1          = y0;
	console.log(rect)
    var mousedown = document.createEvent("MouseEvents");        // 创建鼠标MouseEvents事件
    mousedown.initMouseEvent("mousedown", true, true, window, 0,
        x0, y0, x0, y0, false, false, false, false, 0, null);    // 初始化鼠标位置
    slider.dispatchEvent(mousedown);  
 
    var mousemove = document.createEvent("MouseEvents");
    mousemove.initMouseEvent("mousemove", true, true, window, 0,
        x1, y1, x1, y1, false, false, false, false, 0, null);
    slider.dispatchEvent(mousemove);     // 滑块执行移动
}
slide('nc_1_n1z');

python 执行js

import execjs
js_context = execjs.compile(open("xxxxxxxxxxxxxxxxx.js").read())