JS implements smart prompts for input boxes
This article mainly shares with you JS to implement intelligent prompts for input boxes. It is mainly shared with you in the form of code. I hope it can help you.
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<meta charset="utf-8" />
<script>
var keyWords = {
"传智播客": ["传智播客java视频", "传智播客.net视频", "传智播客php视频"],
"杨忠科": ["杨忠科的视频", "杨忠科的微博", "杨忠科的邮箱"],
"杨": ["杨利伟", "杨振宇", "杨过"],
"杨忠": ["杨忠科", "杨忠学", "杨忠爱国"]
};
setInterval(function () {
document.getElementById('txt').onchange();
}, 500);
onload = function () {
document.getElementById('txt').onchange = function () {
if (document.getElementById('dv')) {
document.body.removeChild(document.getElementById('dv'));
}
if (keyWords[this.value]){
var dvObj = document.createElement('p');
dvObj.id = 'dv';
dvObj.style.width = '300px';
dvObj.style.height = '200px';
dvObj.style.border = '1px solid green';
dvObj.style.position = 'absolute';
dvObj.style.left = this.offsetLeft + 'px';
dvObj.style.top = this.offsetTop + this.offsetHeight + 'px';
ulObj = document.createElement('ul');
ulObj.style.listStyleType = 'none';
ulObj.style.margin = '0';
ulObj.style.padding = '0';
for (var i = 0; i < keyWords[this.value].length; i++) {
//创建Li
var liObj = document.createElement('li');
liObj.innerText = keyWords[this.value][i]; //显示每一项内容
liObj.style.marginTop = '8px';
liObj.style.cursor = 'pointer';
//高亮显示
liObj.onmouseover = function () {
this.style.backgroundColor = 'yellow';
};
liObj.onmouseout = function () {
this.style.backgroundColor = '';
};
//添加到ul中
ulObj.appendChild(liObj);
}
//ulobj添加到层中
dvObj.appendChild(ulObj);
//层添加到body中
document.body.appendChild(dvObj);
}
}
}
</script>
</head>
<body>
<input type="text" id="txt"/>
<input type="button" value="百度一下" />
</body>
</html>Related recommendations:
JS code to imitate Baidu input box smart prompt_javascript skills
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