下面通過javascript代碼實(shí)現(xiàn)網(wǎng)頁屏蔽Backspace事件,輸入框不屏蔽,具體代碼如下:
document.onkeydown = function (e) { var code; if (!e){ var e = window.event;} if (e.keyCode){ code = e.keyCode;} else if (e.which){ code = e.which;} //BackSpace 8; if ( (event.keyCode == 8) && ((event.srcElement.type != "text" && event.srcElement.type != "textarea" && event.srcElement.type != "password") || event.srcElement.readOnly == true ) ) { event.keyCode = 0; event.returnValue = false; } return true; }; 希望能夠幫助到大家。
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