JavaScript pop-up layer input box (sample code)

Author：Eve Cole Update Time：2025-01-18 16:12:02

As shown below:

Copy the code code as follows:

function alertWin(title, msg, w, h) {

var titleheight = "22px"; // window title height

var bordercolor = "#666699"; //Window border color

var titlecolor = "#FFFFFF"; // The title color of the window

var titlebgcolor = "#666699"; // Title background color of the window

var bgcolor = "#FFFFFF"; //Content background color

var iWidth = document.documentElement.clientWidth; //The width of this window

var iHeight = document.documentElement.clientHeight; //Height of this window

//The format of the background layer

var bgObj = document.createElement("div");

bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:" + iWidth + "px;height:" + Math.max(document.body.clientHeight, iHeight) + "px;filter:Alpha(Opacity=30);opacity:0.3;background-color:#000000;z-index:1000;";

document.body.appendChild(bgObj);

var iframe2 = document.createElement("iframe");

iframe2.style.cssText = "position:absolute; top:0px;filter:Alpha(Opacity=30);opacity:0.3;background-color:#000000; z-index:1001; border-style:none; border-width :0px; border:0px;width:" + iWidth + "px;height:" + iHeight + "px";

bgObj.appendChild(iframe2);

//Create a popup layer

var msgObj = document.createElement("div");

//Set the style of the pop-up layer

msgObj.style.cssText = "position:absolute;font:11px '宋体';top:" + (iHeight - h) / 2 + "px;left:" + (iWidth - w) / 2 + "px;width: " + w + "px;height:" + h + "px;text-align:center;border:1px solid " + bordercolor + ";background-color:" + bgcolor + ";padding:1px;line-height:22px;z-index:1001;";

document.body.appendChild(msgObj);

//Create a table to accommodate the content on the layer

var table = document.createElement("table");

//Put the Table on the pop-up layer

msgObj.appendChild(table);

//Set the format of the table

table.style.cssText = "margin:0px;border:0px;padding:0px;";

table.cellSpacing = 0;

//Insert a row to display the title

var tr = table.insertRow(-1);

//Insert a cell to hold the title

var titleBar = tr.insertCell(-1);

titleBar.style.cssText = "width:100%;height:" + titleheight + "px;text-align:left;padding:3px;margin:0px;font:bold 13px '宋体';color:" + titlecolor + " ;border:1px solid " + bordercolor + ";cursor:move;background-color:" + titlebgcolor;

titleBar.style.paddingLeft = "10px";

//Set title

titleBar.innerHTML = title;

//Set Zander drag event

var moveX = 0;

var moveY = 0;

var moveTop = 0;

var moveLeft = 0;

var moveable = false;

var docMouseMoveEvent = document.onmousemove;

var docMouseUpEvent = document.onmouseup;

//Click the title with the mouse

titleBar.onmousedown = function() {

var evt = getEvent();

moveable = true;

moveX = evt.clientX;

moveY = evt.clientY;

moveTop = parseInt(msgObj.style.top);

moveLeft = parseInt(msgObj.style.left);

//mouse drag

document.onmousemove = function() {

if (moveable) {

var evt = getEvent();

var x = moveLeft + evt.clientX - moveX;

var y = moveTop + evt.clientY - moveY;

if (x > 0 && (x + w < iWidth) && y > 0 && (y + h < iHeight)) {

msgObj.style.left = x + "px";

msgObj.style.top = y + "px";

}

};

document.onmouseup = function() {

if (moveable) {

document.onmousemove = docMouseMoveEvent;

document.onmouseup = docMouseUpEvent;

moveable = false;

moveX = 0;

moveY = 0;

moveTop = 0;

moveLeft = 0;

}

};

}

//Close button event

var closeBtn = tr.insertCell(-1);

closeBtn.style.cssText = "cursor:pointer; text-align:right;padding:2px;background-color:" + titlebgcolor;

closeBtn.innerHTML = "<span style='font-size:15pt;color:" + titlecolor + ";'>×</span>";

closeBtn.onclick = function() {

document.body.removeChild(bgObj);

document.body.removeChild(msgObj);

}

//The content of the pop-up message window

var msgBox = table.insertRow(-1).insertCell(-1);

msgBox.style.cssText = "font:10pt '宋体';";

msgBox.colSpan = 2;

msgBox.innerHTML = msg;

//The content of the template name on the layer

var nameBox = table.insertRow(-1);

var nameLable = nameBox.insertCell(-1);

nameLable.style.cssText = "font:12pt '宋体';text-align:center;";

nameLable.innerHTML = "<br/>Enter ID number:<br/>";

var nametext = nameBox.insertCell(-1);

nametext.style.cssText = "font:12pt '宋体';text-align:Left; margin-left:0px";

nametext.innerHTML = "<br/><input type='text' value='' id='modalName'/> <br/>";

//The content of the action button on the layer

var submitBox = table.insertRow(-1);

var submitBtn = submitBox.insertCell(-1);

submitBtn.style.cssText = "text-align:center;";

submitBtn.colSpan = 2;

submitBtn.innerHTML = "<br/><input type='Button' value='OK' id='saveHeader'onclick='return GetCark()' /><br/>";

function getEvent() {

return window.event || arguments.callee.caller.arguments[0];

}

</script>