DVWA靶机学习——JavaScript

function do_something(e){
	for(var t="",n=e.length-1;n>=0;n--)
		t+=e[n];
		return t
		}
		
setTimeout(function(){
	do_elsesomething("XX")
	},300);

function do_elsesomething(e){
	document.getElementById("token").value=do_something(e+document.getElementById("phrase").value+"XX")
	}

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...
function do_something(e) {
    for (var t = "", n = e.length - 1; n >= 0; n--) t += e[n];
    return t
}
function token_part_3(t, y = "ZZ") {
    document.getElementById("token").value = sha256(document.getElementById("token").value + y)
}
function token_part_2(e = "YY") {
    document.getElementById("token").value = sha256(e + document.getElementById("token").value)
}
function token_part_1(a, b) {
    document.getElementById("token").value = do_something(document.getElementById("phrase").value)
}
document.getElementById("phrase").value = "";
setTimeout(function() {
    token_part_2("XX")
}, 300);
document.getElementById("send").addEventListener("click", token_part_3);
token_part_1("ABCD", 44);