| 属性 |
此事件发生在何时... |
HTML 标签 |
JavaScript对象 |
| onabort |
图像的加载被中断。当用户在图像完成载入之前放弃图像的装载（如单击了 stop 按钮）时，就会调用该句柄。 |
<img> |
image |
| onblur |
元素失去焦点。 |
<a>, <acronym>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <button>, <caption>, <cite>, <dd>, <del>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <frame>, <frameset>, <h1> to <h6>, <hr>, <i>, <iframe>, <img>, <input>, <ins>, <kbd>, <label>, <legend>, <li>, <object>, <ol>, <p>, <pre>, <q>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
button, checkbox, fileUpload, layer, frame, password, radio, reset, submit, text, textarea, window |
| onchange |
域的内容被改变。 |
<input type="text">, <select>, <textarea> |
fileUpload, select, text, textarea |
| onclick |
当用户点击某个对象时调用的事件句柄。onclick 与 onmousedown 不同。单击事件是在同一元素上发生了鼠标按下事件之后又发生了鼠标放开事件时才发生的。 |
<a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <object>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
button, document, checkbox, link, radio, reset, submit |
| ondblclick |
当用户双击某个对象时调用的事件句柄。 |
<a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <object>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
document, link |
| onerror |
在加载文档或图像时发生错误。 |
<img>, <object>, <style> |
window, image |
| onfocus |
元素获得焦点。 |
<a>, <acronym>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <button>, <caption>, <cite>, <dd>, <del>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <frame>, <frameset>, <h1> to <h6>, <hr>, <i>, <iframe>, <img>, <input>,
<ins>, <kbd>, <label>, <legend>, <li>, <object>, <ol>, <p>, <pre>, <q>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
button, checkbox, fileUpload, layer, frame, password, radio, reset, select, submit,
text, textarea, window |
| onkeydown |
某个键盘按键被按下。浏览器差异：Internet Explorer 使用 event.keyCode 取回被按下的字符，而 Netscape/Firefox/Opera 使用 event.which。 |
<a>, <acronym>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <del>, <dfn>, <div>, <dt>, <em>,
<fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <object>, <ol>, <p>, <pre>, <q>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
document, image, link, textarea |
| onkeypress |
某个键盘按键被按下并松开。 |
<a>, <acronym>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <del>, <dfn>, <div>, <dt>, <em>,
<fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <object>, <ol>, <p>, <pre>, <q>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
document, image, link, textarea |
| onkeyup |
某个键盘按键被松开。 |
<a>, <acronym>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <del>, <dfn>, <div>, <dt>, <em>,
<fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <object>, <ol>, <p>, <pre>, <q>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
document, image, link, textarea |
| onload |
一张页面或一幅图像完成加载。页面完全载入后，在window对象上触发；所有的框架都载入后，在框架集上触发；<img/>完全载入后，在其上触发；或者对于<object/>元素，当其完全载入后在其上触发。 |
<body>, <frame>, <frameset>, <iframe>, <img>, <link>, <script> |
image, layer, window |
| onmousedown |
鼠标按钮被按下。 |
<a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
button, document, link |
| onmousemove |
鼠标被移动。每当用户把鼠标移动一个像素，就会发生一个 mousemove 事件。这会耗费系统资源去处理所有这些 mousemove 事件。因此请审慎地使用该事件。 |
<a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
|
| onmouseout |
鼠标从某元素移开。 |
<a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
layer, link |
| onmouseover |
鼠标移到某元素之上。 |
<a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
layer, link |
| onmouseup |
鼠标按键被松开。 |
<a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>, <caption>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <h1> to <h6>, <hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>, <li>, <map>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
button, document, link |
| onreset |
重置按钮被点击。 |
<form> |
form |
| onresize |
窗口或框架被重新调整大小。 |
<a>, <address>, <b>, <big>, <blockquote>, <body>, <button>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <frame>, <h1> to <h6>,<hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>, <li>, <object>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <textarea>, <tt>, <ul>, <var> |
window |
| onselect |
文本被选中。 |
<input type="text">, <textarea> |
window |
| onsubmit |
确认按钮被点击。 |
<form> |
form |
| onunload |
用户退出页面。页面完全卸载后，在window对象上触发；所有的框架都卸载后，在框架集上触发；<img/>完全卸载后，在其上触发；或者对于<object/>元素，其完全卸载，在其上触发。 |
<body>, <frameset> |
window |
<img src=”image1.gif” onmouseover=”this.src=’image1.gif’” onmouseout=”this.src=’image1.gif’”/>
不要在<head>元素的<script>标签内给window.body设置onload事件，否则会显示document.body未定义，但可以在<body>元素的<script>标签内给window.body设置onload事件。