1,父页面中js读取或调用iframe中的Dom或js代码段
var Obj1 = parent
.document.getElementById(
"parentdemoID")
var Obj = window
.frames[
"iframecontent"]
.document.getElementById(
"demoID")
$(obj),$(obj1)
2,阻止a标签跳转
<
a href=
"#"> 点击链接后,页面会向上滚到页首,
<
a href=
"javascript:void(0)" onClick=
"window.open()">
<
a href=
"#" onclick=
"javascript:;">
<
a href=
"#" onclick=
"doSomething();return false;">
<
a href=
"####"></
a>也可以
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