JavaScriptまとめ(四)
3284 ワード
<style>
</style>
<script>
window.onload = function() {
document.getElementById("txtInput").onkeyup = function() {
if (event.keyCode == 13) { //13 event
document.getElementById("showDiv").innerHTML = this.value; //this.value textarea
}
}
document.getElementsByTagName("button")[0].onclick = function() {
console.log(this);
}
}
//BOM
// var str="1+1";
// console.log(eval(str));// :2 eval
// window.onload=function(){
// document.getElementById();
// }
// myFun();
// function myFun(){
// console.log("3",this);
// }
// window.onload=function(){
// console.log("1",this);
// document.getElementsByTagName("button")[0].onclick=function(){
// console.log("2",this);
// myFun();
// }
// }
/**
*1. DOM W3C ； [ ]
*2. BOM DOM
* ;[ , ]
*3. window BOM ， js ；
*/
</script>
<textarea id="txtInput" cols="30" rows="5"/>
<!-- 5 30 textarea-->
<button> this</button>
<div id="showDiv"/>
</code></pre>
<pre><code>
<meta charset="UTF-8"/>
<title/>
<script>
window.onload = function(){
function getDateTime(){
// clearInterval();
var date = new Date();
var year = date.getFullYear();
var mounth = date.getMonth();
var week = date.getDay();
var day = date.getDate();
var h = date.getHours();
var m = date.getMinutes();
var s = date.getSeconds();//
var getWeek = [" "," "," "," "," "," "," "];
document.getElementById("showDiv").innerHTML = year+" "+(mounth+1)+" "+day+" "+" "+getWeek[week]+" "+h+" "+m+" "+s+" ";
}
setInterval(getDateTime,500);// :
}
</script>
<div id="showDiv" style="width: 400px; height: 200px; border: 1px solid black;"/>
</code></pre>
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