我有这个脚本，但我想简化它来调整iframe的大小。
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/*! Viewport Resizer */
(function(o, y, O) {
var ca = "https:" === location.protocol ? "https://" : "http://",
da = y.createElement("script"),
ea = y.getElementsByTagName("script")[0];
da.src = ca + "ajax.googleapis.com/ajax/libs/jquery/2.0.1/jquery.min.js";
ea.parentNode.insertBefore(da, ea);
y.close();
var fa = function(a) {
if (o.jQuery && jQuery.fn.jquery === "2.0.1") a(jQuery);
else {
o.jQuery && jQuery.noConflict();
o.setTimeout(function() {
fa(a)
}, 100)
}
};
fa(function(a) {
function z(b) {
b = typeof b === "undefined" ? a("a.active", n) : a(b);
var e = b.attr("data-viewport").toDimension();
a("a.active", n).add(a("a.active", H)).removeClass("active").end(b.addClass("active"));
ga(e)
}
function A(b, e) {
var d = b ? b : a("a.active", n).add(a("a.active", H)),
h = b ? d.attr("data-viewport").toDimension() : {
width: B,
height: I
},
i = e == "swap" ? {
width: h.height,
height: h.width
} : {
width: h.width,
height: h.height
},
g = i.width + "x" + i.height,
f = RegExp(e == "swap" ? h.width + "x" + h.height : h.height + "x" + h.width, "g");
h = e != null ? ha(e == "swap" && d.is(".portrait, .landscape") ? d.hasClass("landscape") ? 0 : -90 : e) : ha(h);
var l = d.text();
if (d.hasClass("custom") ||
!d.attr("data-icon")) {
d.text(l.replace(f, g));
l = d.text() === g ? "Custom" : d.text()
}
ia.html("").append(a("<b>").text(l)).append(a("<span>").text("Size: " + g + " (" + h + "), Ratio: " + function(k, j) {
function q(s, P) {
if (P === 0) return s;
return q(P, s % P)
}
c = q(k, j);
return k / c + ":" + j / c
}(i.width, i.height)));
d.attr("title", l);
ja.attr("class", d.is('[data-viewport="auto"]') ? "auto" : "").css({
width: i.width,
height: i.height,
"margin-left": -i.width / 2
});
if (!b) {
r.val(g).triggerHandler("edit");
ka = r.val()
}
}
function Da() {
var b = "";
a('a:not([data-viewport="auto"])',
"#devices").clone().removeAttr("class").each(function() {
b += a(this).prop("outerHTML")
});
a("#bookmarklet", C).attr({
href: "javascript:void((function(d){if(self!=top||d.getElementById('toolbar')&&d.getElementById('toolbar').getAttribute('data-resizer'))return false;d.write('<!DOCTYPE HTML><html style=\"opacity:0;\"><head><meta charset=\"utf-8\"></head><body>" + b + '<script src="' + Ea + "\"><\/script></body></html>')})(document));"
})
}
function Fa() {
function b(k) {
var j = g && typeof g === "number" ? g : Math.min(100 / u * B /
100, 1);
j = Math.min(j, 10);
j = Math.max(j, 0.25);
j = k ? "" : "scale(" + j + ")";
k = k ? "" : "0 0";
v.css({
zoom: j,
"-webkit-transform": j,
"-webkit-transform-origin": k,
"-moz-transform": j,
"-moz-transform-origin": k,
"-ms-transform": j,
"-ms-transform-origin": k,
"-o-transform": j,
"-o-transform-origin": k,
transform: j,
"transform-origin": k
})
}
function e(k) {
v.css({
"min-width": k ? "" : u + "px",
"min-height": k || !l ? "" : l + "px"
})
}
if (!m) return false;
var d = function() {
var k = {};
if (m.find("meta[name=viewport]", "head").length) {
var j = m.find("meta[name=viewport]:first",
"head");
typeof j.attr("content") !== "undefined" && j.attr("content").replace(/(\s)\s*/gm, "").split(/[,;.]+/).map(function(q) {
q = q.split("=");
k[q[0]] = q[1]
})
}
return k
}(),
h = d.width || false,
i = d.height || false;
d = d["initial-scale"] || false;
var g = true,
f = true,
l = false;
if (Q) {
b("clear");
e("clear");
return false
}
if (h)
if (h !== "device-width") u = Number(h);
else f = g = false;
else u = 980;
if (i && i !== "device-height") l = Number(i);
if (d) {
f = g = false;
if (d === "minimum-scale") d = 0.25;
if (d === "maximum-scale") d = 10;
d = Number(d);
if (d < 1) {
u = 980 + 1 * d;
f = g = true
} else if (d > 1) g = d
}
g && b();
f && e()
}
function la() {
m = p.contents();
u = m.width() || 0;
v = a("html", m);
R = a("body", m);
S = v.add(R);
if (!ma) {
var b = ["DOMMouseScroll", "mousewheel"];
if (a.event.fixHooks)
for (var e = b.length; e;) a.event.fixHooks[b[--e]] = a.event.mouseHooks;
a.event.special.mousewheel = {
setup: function() {
if (this.addEventListener)
for (var f = b.length; f;) this.addEventListener(b[--f], d, false);
else this.onmousewheel = d
},
teardown: function() {
if (this.removeEventListener)
for (var f = b.length; f;) this.removeEventListener(b[--f],
d, false);
else this.onmousewheel = null
}
};
a.fn.extend({
mousewheel: function(f) {
return f ? this.bind("mousewheel", f) : this.trigger("mousewheel")
},
unmousewheel: function(f) {
return this.unbind("mousewheel", f)
}
});
var d = function(f) {
var l = f || o.event,
k = [].slice.call(arguments, 1),
j = 0,
q = 0,
s = 0;
f = a.event.fix(l);
f.type = "mousewheel";
if (l.wheelDelta) j = l.wheelDelta / 120;
if (l.detail) j = -l.detail / 3;
s = j;
if (l.axis !== O && l.axis === l.HORIZONTAL_AXIS) {
s = 0;
q = -1 * j
}
if (l.wheelDeltaY !== O) s = l.wheelDeltaY / 120;
if (l.wheelDeltaX !== O) q = -1 * l.wheelDeltaX /
120;
k.unshift(f, j, q, s);
return (a.event.dispatch || a.event.handle).apply(this, k)
},
h = p.height(),
i = 0;
v.css("overflow-y", "hidden");
S.on("mousewheel", function(f, l, k, j) {
f.preventDefault();
f = 0.05;
if (l > 0.1) f *= 5;
j = j > -f && j < f;
if (!(k < -f && j || k > f && j)) {
k = m.height() - h;
i -= l * Ga;
if (i < 0) i = 0;
if (i > k) i = k;
m.scrollTop(i)
}
})
}
T && S.css({
overflow: "scroll",
"-webkit-overflow-scrolling": "touch",
width: "100%",
height: "100%"
});
e = v.css("background-color");
var g = R.css("background-color");
p.css("background-color", e === "transparent" || e ===
"rgba(0, 0, 0, 0)" ? g === "transparent" || g === "rgba(0, 0, 0, 0)" ? "#fff" : g : e);
m.find("title", "head").length && !U.find("title").length && U.prepend(m.find("title").prepend("↔ "));
Ha()
}
function Ia(b) {
function e(h) {
a("[data-viewport].active", "#devices").attr({
"data-viewport": h.height + "x" + h.width
}).orientationClassName();
return {
width: h.height,
height: h.width
}
}
var d = a("a.active", n).attr("data-viewport").toDimension();
if (b === 0 || b === 180) {
if (d.width > d.height) d = e(d)
} else if (b === 90 || b === -90)
if (d.height > d.width) d =
e(d);
ga(d)
}
function ga(b) {
B = b.width;
I = b.height;
b = (Q = b.auto) ? "auto" : "";
var e = T && Q || J.hasClass("active") ? "" : " transition";
D.attr("class", a.trim(b.concat(e)));
w.css({
width: B,
height: I
});
var d = setTimeout(function() {
Fa();
clearTimeout(d)
}, 200);
A()
}
function ha(b) {
if (typeof b === "object") b = b.width === b.height ? false : b.width > b.height ? -90 : 0;
return b === 0 || b === 180 ? "Portrait" : b === 90 || b === -90 ? "Landscape" : V
}
function na(b) {
b = b.filter(function() {
return a(this).attr("data-viewport").length > 0
});
var e = a('<a data-viewport="auto" data-icon="auto">Auto Size</a>').add(b.clone());
b.remove();
n.html("");
a.each(e, function() {
n.append(a("<li>").append(a(this).setProperties().orientationClassName()))
})
}
function oa() {
E.add(C).addClass("updated");
pa.removeClass("invisible")
}
function qa() {
a("a.active", n).length ? z(a("a.active", n).removeClass("active").get(0)) : z(a('[data-viewport="auto"]', W))
}
function Ha() {
var b = {
Version: "Viewport Resizer (" + Ja + ")",
"User agent": K,
"Meta viewport": m.find("meta[name=viewport]:first", "head").attr("content")
};
X.html("");
a.each(b, function(e, d) {
X.append(a("<dt>").text(e)).append(a("<dd>").html(d ?
d : V))
})
}
function ra() {
var b = F.css("background-color");
D.css("color", function(e) {
e = e.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
var d = parseInt(e[1]),
h = parseInt(e[2]);
e = parseInt(e[3]);
return Math.sqrt(d * d * 0.241 + h * h * 0.691 + e * e * 0.068)
}(b) < 130 ? "#fff" : "#000")
}
if (a("#toolbar[data-resizer]").length) return false;
var Ja = "1.1.4",
L = ca + "lab.maltewassermann.com/viewport-resizer/",
Y = L + "resizer.min.css",
Ea = L + "resizer.min.js",
t = a(o),
sa = a("html"),
U = a("head"),
F = a("body"),
G = a(location).attr("href"),
V = "n/a",
K = typeof navigator.userAgent ===
"undefined" ? V : navigator.userAgent,
ma = /webkit/i.test(K),
T = /mobile.*safari/i.test(K);
L = /opera/i.test(K);
var Ka = a('<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">');
Y = a('<link rel="stylesheet" href="' + Y + '">');
var ta = a('<style type="text/css" media="print">'),
C = a('<div id="expand">').hide(),
X = a("<dl>"),
La = a('<a id="bookmarklet">').attr("data-text", "Your bookmarklet").append(a("<span>").html("↔ Resizer")),
pa = a('<span class="invisible">').text(" has been changed. Please save or update your bookmarklet."),
W = a('<div id="toolbar">').attr("data-resizer", "basic"),
n = a('<ul id="devices">'),
H = a('<ul id="tools">'),
r = a('<input id="edit" type="text" value="">'),
ua = a('<a id="add" data-viewport="" data-icon="add" title="Add size to toolbar">'),
ia = a('<li class="info">'),
Ma = a('<ul id="extras">'),
Z = a('<a title="Animate Viewport">').text("Animate"),
$ = a('<a data-icon="reload" title="Reload current page">'),
va = a('<a data-icon="print" title="Print Viewport">'),
M = a('<a data-icon="close" title="Close toolbar">'),
E = a('<a data-icon="hint" title="Information">'),
D = a('<div id="container">'),
w = a('<div id="wrapper">'),
p = a('<iframe id="content" name="content" frameborder="0">').attr("src", G),
wa = a('<b id="handle-e">'),
xa = a('<b id="handle-s">'),
aa = a('<b id="handle-w">');
G = a('<b id="handle-se">');
var ya = a('<b id="handle-sw">'),
J = wa.add(xa).add(aa).add(G).add(ya),
ja = a('<div id="phantom">');
G = new Date;
var ba = t.innerWidth() || o.innerWidth || 400,
za = t.innerHeight() || o.innerHeight || 400,
N = 10,
Ga = L ? 2 : 30,
x = 50,
m = false,
B, I, Q, Aa, v, R, S, u, ka;
String.prototype.toDimension = function() {
if (this ==
"auto") return {
width: ba,
height: za - 42,
auto: true
};
else {
var b = this.match(/\d{1,}\d/g);
if (b) {
b = b.slice(0, 2);
return {
width: parseInt(typeof b[0] === "undefined" ? 400 : b[0]),
height: parseInt(typeof b[1] === "undefined" ? 600 : b[1]),
auto: false
}
} else return null
}
};
a.fn.setProperties = function() {
var b = a(this);
if (b.is(":empty")) {
var e = b.attr("data-viewport").toDimension();
b.addClass("custom").text(e.width + "x" + e.height)
}
return b.attr("title", b.text())
};
a.fn.orientationClassName = function() {
var b = a(this).attr("data-viewport").toDimension();
b = b.width > b.height && !b.auto ? "landscape" : b.height > b.width && !b.auto ? "portrait" : "";
return a(this).removeClass("portrait landscape").addClass(b)
};
(function() {
function b(g) {
g.preventDefault();
p.css("pointer-events", "none");
var f = i.is(aa) || i.is(ya) ? h.x - g.pageX : g.pageX - h.x;
f = i.is(xa) ? h.w : Math.max(f + (h.w / 2 + d().w / 2), 0);
g = i.is(wa) || i.is(aa) ? h.h : Math.max(g.pageY - h.y + h.h, 0);
f = f > N ? f : N;
g = g > N ? g : N;
r.val(f + "x" + g).triggerHandler("change");
i.addClass("active")
}
function e() {
t.off({
mousemove: b,
mouseup: e
});
p.css("pointer-events",
"");
i.removeClass("active");
D.addClass("transition")
}
function d() {
return {
w: parseInt(w.css("width")) || w.width() || 0,
h: parseInt(w.css("height")) || w.height() || 0
}
}
var h = {},
i;
J.on({
mouseenter: function() {
J.hasClass("active") || a(this).addClass("hover")
},
mouseleave: function() {
a(this).removeClass("hover")
},
mousedown: function(g) {
g.preventDefault();
i = a(this);
h = {
w: d().w,
h: d().h,
x: g.pageX,
y: g.pageY
};
t.on({
mousemove: b,
mouseup: e
});
Z.triggerHandler("stop")
}
})
})();
U.prepend(Ka).prepend('<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE9, chrome=1">').prepend(Y.on("load",
function() {
ra()
})).append(ta);
C.append(a('<div class="inner">').append(a('<p class="well">').append(La).append(pa)).append(X).append(a('<p class="muted">').html('About: <a href="http://lab.maltewassermann.com/viewport-resizer/" target="_blank">Viewport Resizer</a> is designed by Malte Wassermann (c) ' + G.getFullYear()))).appendTo(F);
W.append(n).append(H.append(a("<li>").append(a('<label for="edit" data-icon="edit" title="Customize current size"><span>Customize:</span></label>')).append(r).append(ua)).append(ia)).append(Ma.append(a("<li>").append(Z)).append(a("<li>").append($)).append(ma ?
a("<li>").append(va) : null).append(a("<li>").append(E)).append(a("<li>").append(M))).appendTo(F);
D.append(ja).append(w.append(p).append(J)).appendTo(F);
na(a("[data-viewport]", F));
r.on("edit", function() {
a(this).css("width", Math.round((a(this).val().length + 1) * 7))
}).on("mouseover focus", function() {
a(this).parent().addClass("hover")
}).on("mouseout blur", function(b) {
if (b.type == "blur" || !a(this).is(":focus")) a(this).parent().removeClass("hover")
}).on("keyup", function() {
a(this).triggerHandler("edit")
}).on("change",
function() {
var b = a(this).val().toDimension();
if (b) {
a(this).parent().addClass("activeAdd");
b = a("#add").text("").attr({
"data-viewport": b.width + "x" + b.height
}).setProperties();
z(b);
a(this).trigger("blur")
} else a(this).val(ka).triggerHandler("edit")
});
ua.on("click touchend", function(b) {
b.preventDefault();
b = a(this);
var e = b.clone();
b.removeClass("active").fadeOut("slow", function() {
a("li.activeAdd", H).removeClass("activeAdd");
a("<li>").append(e.removeAttr("id").removeAttr("data-icon").removeAttr("title").removeClass("custom").orientationClassName().fadeIn("slow")).appendTo(n);
oa()
})
});
E.on("click touchend", function(b) {
b.preventDefault();
Da();
a(this).toggleClass("active");
E.hasClass("updated") || C.removeClass("updated");
C.slideToggle(150, function() {
E.removeClass("updated")
})
});
(function() {
function b() {
var f = Math.max(ba - x, e);
g = Math.max(g, e);
r.val(g + "x" + I).triggerHandler("change");
if (g > f - x) d = false;
else if (g === e) d = true;
if (d) g += x % f;
else g -= x % f
}
var e = 320,
d = false,
h = false,
i, g;
Z.on("start", function() {
i = true;
g = Math.round(B / x) * x;
b();
h = setInterval(b, 750);
a(this).addClass("active")
}).on("stop",
function() {
i = false;
clearInterval(h);
h = false;
a(this).removeClass("active")
}).on("click touchend", function(f) {
f.preventDefault();
i ? a(this).triggerHandler("stop") : a(this).triggerHandler("start")
})
})();
$.on("click touchend", function(b) {
b.preventDefault();
p.get(0).contentWindow.location.reload(true);
p.on("load", function() {
la()
})
});
va.on("click touchend", function(b) {
b.preventDefault();
ta.html("body,#content{height:" + m.height() + "px !important;}");
o.focus();
o.print()
});
M.on("click touchend", function(b) {
b.preventDefault();
o.location.href = m.get(0).location.href
});
n.on("click touchend", '[data-viewport]:not(".active")', function(b) {
b.preventDefault();
z(a(this))
}).on("mouseenter", '[data-viewport]:not(".active")', function() {
A(a(this))
}).on("mouseleave", '[data-viewport]:not(".active")', function() {
A()
}).on("click touchend", '[data-viewport]:not([data-viewport="auto"]).active', function(b) {
b.preventDefault();
a(this).removeClass("hover");
Ia(a(this).hasClass("landscape") ? 0 : -90)
}).on("mouseenter", '[data-viewport]:not([data-viewport="auto"]).active',
function() {
a(this).addClass("hover");
A(a(this), "swap")
}).on("mouseleave", '[data-viewport]:not([data-viewport="auto"]).active', function() {
a(this).removeClass("hover");
A()
});
p.on("load", function() {
try {
Aa = p.contents().get(0).location.href
} catch (b) {
alert("Access denied: Cross-domain security error");
p.attr({
src: Aa
});
return false
}
la();
if (T) {
W.add(D).not(n).on("click touchend", function(d) {
!a(d.target).is(r) && r.is(":focus") && r.trigger("blur")
});
p.attr({
scrolling: "no"
})
}
qa();
sa.css("opacity", 1);
var e = setTimeout(function() {
sa.addClass("complete");
clearTimeout(e)
}, 10)
});
var Ba = false,
Ca = false,
Na = [17, 224, 91, 93];
t.on("keydown", function(b) {
if (b.keyCode == 116 || Ca && b.keyCode == 82) Ba = true;
if (Na.indexOf(b.keyCode) >= 0) Ca = true;
if (Ba) {
b.preventDefault();
$.click()
}
if (b.keyCode === 27) {
b.preventDefault();
M.click()
}
}).on("resize", function() {
ba = t.innerWidth() || o.innerWidth || 400;
za = t.innerHeight() || o.innerHeight || 400;
a("a.active", n).is('[data-viewport="auto"]') && z()
}).on("beforeunload", function() {
M.click()
});
y.updateDeviceList = function(b) {
na(b);
oa();
qa()
};
y.updateColorAffinity =
function() {
ra()
}
})
})(window, document);<iframe id="content" name="content" frameborder="0" src="http://alvarovarejao.com"></iframe>