\n

JS\u4e2dsplit\u7528\u6cd5<\/strong><\/p>\n

\n
• <script\u00a0language=”javascript”> \u00a0\u00a0<\/li>\n
• function\u00a0spli(){ \u00a0\u00a0<\/li>\n
• \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0datastr=”2,2,3,5,6,6″;\u00a0\u00a0\u00a0 \u00a0\u00a0<\/li>\n
• \u00a0\u00a0var\u00a0str=\u00a0new\u00a0Array(); \u00a0\u00a0<\/li>\n
• \u00a0\u00a0<\/li>\n
• \u00a0\u00a0str=datastr.split(“,”);\u00a0\u00a0\u00a0 \u00a0\u00a0<\/li>\n
• \u00a0\u00a0\u00a0\u00a0for\u00a0(i=0;i<str.length\u00a0;i++\u00a0) \u00a0\u00a0<\/li>\n
• \u00a0\u00a0\u00a0\u00a0{ \u00a0\u00a0<\/li>\n
• \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0document.write(str[i]+”<br\/>”); \u00a0\u00a0<\/li>\n
• \u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0<\/li>\n
• } \u00a0\u00a0<\/li>\n
• spli(); \u00a0\u00a0<\/li>\n
• <\/script>\u00a0\u00a0 \n

  JS\u5220\u9664\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n

  var arr=[\u2019a’,\u2019b’,\u2019c’];
  \n\u82e5\u8981\u5220\u9664\u5176\u4e2d\u7684\u2019b’,\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n

  1.delete\u65b9\u6cd5:delete arr[1]\n\u8fd9\u79cd\u65b9\u5f0f\u6570\u7ec4\u957f\u5ea6\u4e0d\u53d8,\u6b64\u65f6arr[1]\u53d8\u4e3aundefined\u4e86,\u4f46\u662f\u4e5f\u6709\u597d\u5904\u539f\u6765\u6570\u7ec4\u7684\u7d22\u5f15\u4e5f\u4fdd\u6301\u4e0d\u53d8,\u6b64\u65f6\u8981\u904d\u5386\u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u624d\u7528
  \nfor(index in arr)
  \ndocument.write(\u2019arr[\u2019+index+\u2019]=\u2019+arr[index]);
  \n\u8fd9\u79cd\u904d\u5386\u65b9\u5f0f\u8df3\u8fc7\u5176\u4e2dundefined\u7684\u5143\u7d20<\/p>\n

  * \u8be5\u65b9\u5f0fIE4.o\u4ee5\u540e\u90fd\u652f\u6301\u4e86<\/p>\n

  2.\u6570\u7ec4\u5bf9\u8c61splice\u65b9\u6cd5:arr.splice(1,1);
  \n\u8fd9\u79cd\u65b9\u5f0f\u6570\u7ec4\u957f\u5ea6\u76f8\u5e94\u6539\u53d8,\u4f46\u662f\u539f\u6765\u7684\u6570\u7ec4\u7d22\u5f15\u4e5f\u76f8\u5e94\u6539\u53d8
  \nsplice\u53c2\u6570\u4e2d\u7b2c\u4e00\u4e2a1,\u662f\u5220\u9664\u7684\u8d77\u59cb\u7d22\u5f15(\u4ece0\u7b97\u8d77),\u5728\u6b64\u662f\u6570\u7ec4\u7b2c\u4e8c\u4e2a\u5143\u7d20
  \n\u7b2c\u4e8c\u4e2a1,\u662f\u5220\u9664\u5143\u7d20\u7684\u4e2a\u6570,\u5728\u6b64\u53ea\u5220\u9664\u4e00\u4e2a\u5143\u7d20,\u5373\u2019b’;
  \n\u6b64\u65f6\u904d\u5386\u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u7528\u666e\u901a\u904d\u5386\u6570\u7ec4\u7684\u65b9\u5f0f,\u6bd4\u5982for,\u56e0\u4e3a\u5220\u9664\u7684\u5143\u7d20\u5728
  \n\u6570\u7ec4\u4e2d\u5e76\u4e0d\u4fdd\u7559<\/p>\n

  * \u8be5\u65b9\u6cd5IE5.5\u4ee5\u540e\u624d\u652f\u6301<\/p>\n

  \u503c\u5f97\u4e00\u63d0\u7684\u662fsplice\u65b9\u6cd5\u5728\u5220\u9664\u6570\u7ec4\u5143\u7d20\u7684\u540c\u65f6,\u8fd8\u53ef\u4ee5\u65b0\u589e\u5165\u6570\u7ec4\u5143\u7d20
  \n\u6bd4\u5982arr.splice(1,1,\u2019d’,\u2019e’),d,e\u4e24\u4e2a\u5143\u7d20\u5c31\u88ab\u52a0\u5165\u6570\u7ec4arr\u4e86
  \n\u7ed3\u679c\u6570\u7ec4\u53d8\u6210arr:\u2019a’,\u2019d’,\u2019e’,\u2019c\u2019<\/li>\n<\/ul>\n<\/div>\n