替换图像src的值

Question

我有这些图片：

document.onreadystatechange = function(e) {
  if (document.readyState == "interactive") {
    var all = document.getElementsByTagName("*");
    for (var i = 0, max = all.length; i < max; i++) {
      set_ele(all[i]);
    }
  }
}

function check_element(ele) {
  var all = document.getElementsByTagName("*");
  var totalele = all.length;
  var per_inc = 100 / all.length;

  if ($(ele).on()) {
    var prog_width = per_inc + Number(document.getElementById("progress_width").value);
    document.getElementById("progress_width").value = prog_width;
    $("#bar1").animate({
      width: prog_width + "%"
    }, 10, function() {
      if (document.getElementById("bar1").style.width == "100%") {
        $(".progress").fadeOut("slow");
      }
    });
  } else {
    set_ele(ele);
  }
}

function set_ele(set_element) {
  check_element(set_element);
}

我希望这两张图片从<img src="/ar-opt-400x284.png" alt="Projet."> <img src="/lol-opt-400x284.png" alt="Projet."> 属性中移除字符串-400x284

我在Jquery中这样做但它不起作用

src

感谢您的帮助！