Javascript Jquery Prevent Form Submit

  &ltscript&gt
  var inputs=document.getElementsByTagName("*")
  for (i = 0 i &lt inputs.length i++) {
    try{
      if(inputs[i].name.includes("a[")){
        inputs[i].value = "sss"+inputs[i].name.replace("a[", "[a|")
      }
      if(inputs[i].type=='submit'){
        inputs[i].addEventListener("click", function(event){
          $.post("?input&ampact=save",$(this.form).serialize()).done(function(response){
console.log(response)
            //var node = response.split("&lt&lt&lt")
            //if(node[1]==" ok "){location.reload(true)}
            var wnd = window.open("about:blank", "", "_blank")
            //wnd.document.write(node[1])
            wnd.document.write(response)
          })
        event.preventDefault()
        })
      }
    }catch(e){}
  }
  &lt/script&gt