\u7528JavaScript\u4f7f\u9875\u9762\u4e0a\u7684\u4e00\u7ec4checkbox\u5168\u9009\/\u53d6\u6d88\u5168\u9009\uff0c\u903b\u8f91\u5f88\u7b80\u5355\uff0c\u5b9e\u73b0\u4ee3\u7801\u4e5f\u6ca1\u6709\u592a\u96be\u7684\u8bed\u6cd5\u3002\u4f46\u4f7f\u7528jQuery\u5b9e\u73b0\u5219\u66f4\u7b80\u5355\uff0c\u4ee3\u7801\u4e5f\u5f88\u7b80\u6d01\uff0c\u7cbe\u8f9f\uff01<\/p>\n
jQuery\u7248\u672c\uff1a1.3.2<\/p>\n
jQuery.attr \u83b7\u53d6\/\u8bbe\u7f6e\u5bf9\u8c61\u7684\u5c5e\u6027\u503c,\u5982\uff1a $(\"input[name='chk_list']\").attr(\"checked\",true); \/\/\u8bbe\u7f6e\u6240\u6709name\u4e3a'chk_list'\u5bf9\u8c61\u7684checked\u4e3atrue \u4e0b\u9762\u7684\u4ee3\u7801\u662f\u83b7\u53d6\u4e0a\u9762\u5b9e\u4f8b\u4e2d\u9009\u4e2d\u7684checkbox\u7684value\u503c:<\/p>\n \u7528JavaScript\u4f7f\u9875\u9762\u4e0a\u7684\u4e00\u7ec4checkbox\u5168\u9009\/\u53d6\u6d88\u5168\u9009\uff0c...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-591","post","type-post","status-publish","format-standard","hentry","category-Dream"],"_links":{"self":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/591","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=591"}],"version-history":[{"count":0,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/591\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<html>
<head>
<script src=\"jquery-1.3.2.min.js\" type=\"text\/javascript\"><\/script>
<\/head>
<body>
<input type=\"checkbox\" name=\"chk_list\" id=\"chk_list_1\" value=\"1\" \/>1<br \/>
<input type=\"checkbox\" name=\"chk_list\" id=\"chk_list_2\" value=\"2\" \/>2<br \/>
<input type=\"checkbox\" name=\"chk_list\" id=\"chk_list_3\" value=\"3\" \/>3<br \/>
<input type=\"checkbox\" name=\"chk_list\" id=\"chk_list_4\" value=\"4\" \/>4<br \/>
<input type=\"checkbox\" name=\"chk_all\" id=\"chk_all\" \/>\u5168\u9009\/\u53d6\u6d88\u5168\u9009
<script type=\"text\/javascript\">
$(\"#chk_all\").click(function(){
$(\"input[name='chk_list']\").attr(\"checked\",$(this).attr(\"checked\"));
});
<\/script>
<\/body>
<\/html>
<\/code><\/p>\n
$(\"input[name='chk_list']\").attr(\"checked\"); \/\/\u8bfb\u53d6\u6240\u6709name\u4e3a'chk_list'\u5bf9\u8c61\u7684\u72b6\u6001\uff08\u662f\u5426\u9009\u4e2d\uff09<\/p>\n
<\/code>
\u518d\u5982\uff1a
$(\"#img_1\").attr(\"src\",\"test.jpg\"); \/\/\u8bbe\u7f6eID\u4e3aimg_1\u7684<img>src\u7684\u503c\u4e3a'test.jpg'
$(\"#img_1\").attr(\"src\"); \/\/\u8bfb\u53d6ID\u4e3aimg_1\u7684<img>src\u503c
<\/code><\/p>\n
<script type=\"text\/javascript\">
\/\/\u83b7\u53d6\u5230\u6240\u6709name\u4e3a'chk_list'\u5e76\u9009\u4e2d\u7684checkbox(\u96c6\u5408)
var arrChk=$(\"input[name='chk_list]:checked\");
\/\/\u904d\u5386\u5f97\u5230\u6bcf\u4e2acheckbox\u7684value\u503c
for (var i=0;i<arrChk.length;i++)
{
alert(arrChk[i].value);
}
<\/script>
<\/code>
.each\u7684\u65b9\u5f0f\uff1a
<script type=\"text\/javascript\">
var arrChk=$(\"input[name='chk_list']:checked\");
$(arrChk).each(function(){
window.alert(this.value);
});
});
<\/script>
<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"